| Abington School District | Abington | PA | |
| Agawam Public Schools | Feeding Hills | MA | |
| Akron Central Schools | Akron | NY | |
| Albertville City School System | Albertville | AL | |
| Albion Central School District | Albion | NY | |
| Albuquerque Public Schools | Albuquerque | NM | |
| Allen Independent School District | Allen | TX | |
| Amarillo Independent School District | Amarillo | TX | |
| Amherst Central School District | Amherst | NY | |
| Amityville Union Free School District | Amityville | NY | |
| Ann Arbor Public Schools | Ann Arbor | MI | |
| Anoka-Hennepin School District | Anoka | MN | |
| Appoquinimink School District | Odessa | DE | |
| Aptakisic-Tripp Community Consolidated School District 102 | Buffalo Grove | IL | |
| Archbold Area Schools | Archbold | OH | |
| Arlington Central School District | Lagrangeville | NY | |
| Arlington Independent School District | Arlington | TX | |
| Arlington Public Schools | Arlington | VA | |
| Armada Area Schools | Armada | MI | |
| Armstrong School District | Kittanning | PA | |
| Auburn City Schools | Auburn | AL | |
| Auburn Enlarged City School District | Auburn | NY | |
| Austin Independent School District | Austin | TX | |
| Avon Community School Corporation | Avon | IN | |
| Avonworth School District | Pittsburgh | PA | |
| Bakersfield City School District | Bakersfield | CA | |
| Bald Eagle Area School District | Wingate | PA | |
| Baldwin County School District | Milledgeville | GA | |
| Baldwin Public Schools | Baldwin | NY | |
| Baldwinsville Central School District | Baldwinsville | NY | |
| Ballston Spa Central School District | Ballston Spa | NY | |
| Baltimore County Public Schools | Towson | MD | |
| Bangor Area School District | Bangor | PA | |
| Barbers Hill Independent School District | Mont Belvieu | TX | |
| Bartlett City Schools | Bartlett | TN | |
| Batavia Public School District #101 | Batavia | IL | |
| Bay Shore Schools | Bay Shore | NY | |
| Bay Village City School District | Bay Village | OH | |
| Bayport-Blue Point School District | Bayport | NY | |
| Beachwood City Schools | Beachwood | OH | |
| Bedford Central School District | Bedford | NY | |
| Bellmore Public Schools | Bellmore | NY | |
| Belmont Public Schools | Belmont | MA | |
| Berea City School District | Berea | OH | |
| Bergenfield Public School District | Bergenfield | NJ | |
| Berkley School District | Oak Park | MI | |
| Berlin Brothersvalley School District | Berlin | PA | |
| Bermudian Springs School District | York Springs | PA | |
| Bethel Park School District | Bethel Park | PA | |
| Bethel Public Schools | Bethel | CT | |
| Big Rapids Public Schools | Big Rapids | MI | |
| Big Spring School District | Newville | PA | |
| Billerica Public Schools | Billerica | MA | |
| Biloxi Public School District | Biloxi | MS | |
| Blackhawk School District | Beaver Falls | PA | |
| Blaine County School District #61 | Hailey | ID | |
| Bloomfield Hills Schools | Bloomfield Hills | MI | |
| Bonner Springs-Edwardsville Unified School District | Bonner Springs | KS | |
| Boulder Valley School District | Boulder | CO | |
| Boyertown Area School District | Boyertown | PA | |
| Brentwood Union Free School District | Brentwood | NY | |
| Brighton Central School District | Rochester | NY | |
| Bristol Public Schools | Bristol | CT | |
| Bristol Virginia Public Schools | Bristol | VA | |
| Brownsburg Community School Corporation | Brownsburg | IN | |
| Brunswick School Department | Brunswick | ME | |
| Burbank Unified School District | Burbank | CA | |
| Burnt Hills-Ballston Lake Central School District | Burnt Hills | NY | |
| Burrell School District | Lower Burrell | PA | |
| Camden Central School District | Camden | NY | |
| Candor Central School District | Candor | NY | |
| Canton Public Schools | Canton | CT | |
| Cape Elizabeth Schools | Cape Elizabeth | ME | |
| Carey Exempted Village School District | Carey | OH | |
| Carmel Central School District | Patterson | NY | |
| Carmel Clay Schools | Carmel | IN | |
| Carroll County Public Schools | Westminster | MD | |
| Carrollton-Farmers Branch Independent School District | Carrollton | TX | |
| Carthage Central School District | Carthage | NY | |
| Cazenovia Central School District | Cazenovia | NY | |
| Center Moriches School District | Center Moriches | NY | |
| Central Bucks School District | Doylestown | PA | |
| Central Valley School District | Monaca | PA | |
| Central York School District | York | PA | |
| Chelmsford Public Schools | Chelmsford | MA | |
| Cherry Creek School District #5 | Greenwood Village | CO | |
| Chesapeake Public Schools | Chesapeake | VA | |
| Cheshire Public Schools | Cheshire | CT | |
| Chilton Public Schools | Chilton | WI | |
| Chittenango Central School District | Chittenango | NY | |
| Chula Vista Elementary School District | Chula Vista | CA | |
| Churchville-Chili Central School District | Churchville | NY | |
| Clairton City School District | Clairton | PA | |
| Clarence Central School District | Clarence | NY | |
| Clark County School District | Las Vegas | NV | |
| Clarke County School District | Athens | GA | |
| Clarkstown Central School District | New City | NY | |
| Clarksville-Montgomery County School System | Clarksville | TN | |
| Clearview Regional High School District | Mullica Hill | NJ | |
| Clinton Central School District | Clinton | NY | |
| Closter Public Schools | Closter | NJ | |
| Cloudcroft Municipal Schools | Cloudcroft | NM | |
| Clovis Unified School District | Clovis | CA | |
| Cobb County School District | Marietta | GA | |
| Collingswood Public Schools | Collingswood | NJ | |
| Colonial School District | Plymouth Meeting | PA | |
| Commack School District | East Northport | NY | |
| Comsewogue School District | Port Jefferson Station | NY | |
| Connetquot Central School District | Bohemia | NY | |
| Conroe Independent School District | Conroe | TX | |
| Consolidated School District of New Britain | New Britain | CT | |
| Cornwall-Lebanon School District | Lebanon | PA | |
| Council Rock School District | Newtown | PA | |
| Culver School District #4 | Culver | OR | |
| Cumberland Valley School District | Mechanicsburg | PA | |
| Cuyahoga Falls City School District | Cuyahoga Falls | OH | |
| Cuyahoga Heights Schools | Cuyahoga Heights | OH | |
| Cypress - Fairbanks Independent School District | Houston | TX | |
| David Douglas School District #40 | Portland | OR | |
| Davis Joint Unified School District | Davis | CA | |
| Dearborn Public Schools | Dearborn | MI | |
| Deer Park School District | Deer Park | NY | |
| Del Norte Unified School District | Crescent City | CA | |
| Delavan-Darien School District | Delavan | WI | |
| Delaware Valley School District | Milford | PA | |
| Delsea Regional School District | Franklinville | NJ | |
| Denton Independent School District | Denton | TX | |
| Derry Township School District | Hershey | PA | |
| DeSoto Independent School District | DeSoto | TX | |
| District 300 | Algonquin | IL | |
| Dorchester School District Two | Summerville | SC | |
| Dover Area School District | Dover | PA | |
| Dover Union Free School District | Dover Plain | NY | |
| Downingtown Area School District | Downingtown | PA | |
| Dublin City Schools | Dublin | OH | |
| Dubuque Community Schools | Dubuque | IA | |
| Duluth Edison Charter Schools | Duluth | MN | |
| Eagle Mountain-Saginaw Independent School District | Fort Worth | TX | |
| Eanes Independent School District | Austin | TX | |
| East Allegheny School District | North Versailles | PA | |
| East Brunswick Public Schools | East Brunswick | NJ | |
| East Hampton Union Free School District | East Hampton | NY | |
| East Irondequoit Central School District | Rochester | NY | |
| East Liverpool City Schools | East Liverpool | OH | |
| East Rockaway School District | East Rockaway | NY | |
| East Stroudsburg Area School District | East Stroudsburg | PA | |
| East Syracuse Minoa Central School District | East Syracuse | NY | |
| East Williston Union Free School District | Old Westbury | NY | |
| East Windsor Public Schools | East Windsor | CT | |
| East Windsor Regional Schools | Hightstown | NJ | |
| Ector County Independent School District | Odessa | TX | |
| Edgemont School District | Scarsdale | NY | |
| Edinburg Consolidated Independent School District | Edinburg | TX | |
| Edmonds School District | Lynnwood | WA | |
| Eldred Central School Disctrict | Glen Spey | NY | |
| Elizabeth Public Schools | Elizabeth | NJ | |
| Elkhorn Public Schools | Elkhorn | NE | |
| Enlarged City School District of Middletown | Middletown | NY | |
| Ephrata Area School District | Ephrata | PA | |
| Everett Public Schools | Everett | MA | |
| Exeter Township School District | Reading | PA | |
| Fairfield Public Schools | Fairfield | CT | |
| Fargo Public Schools | Fargo | ND | |
| Farmingdale School District | Farmingdale | NY | |
| Farmington Municipal Schools | Farmington | NM | |
| Fayetteville-Manlius School District | Manlius | NY | |
| Fishers Island School District | Fishers Island | NY | |
| Florence School District One | Florence | SC | |
| Forest Hills School District | Cincinnati | OH | |
| Forney Independent School District | Forney | TX | |
| Fort Bend Independent School District | Sugar Land | TX | |
| Fort Worth Independent School District | Fort Worth | TX | |
| Fox C-6 School District | Arnold | MO | |
| Fox Chapel Area School District | Pittsburgh | PA | |
| Fraser Public Schools | Fraser | MI | |
| Fredonia Central School District | Fredonia | NY | |
| Freeport Area School District | Sarver | PA | |
| Freeport Public Schools | Freeport | NY | |
| Frisco Independent School District | Frisco | TX | |
| Fulton County Schools | Atlanta | GA | |
| Garden City Public Schools | Garden City | NY | |
| Garland Independent School District | Garland | TX | |
| Glastonbury Public Schools | Glastonbury | CT | |
| Glenwood City School District | Glenwood City | WI | |
| Goshen Central School District | Goshen | NY | |
| Governor Mifflin School District | Shillington | PA | |
| Grand Blanc Community Schools | Grand Blanc | MI | |
| Grand Forks Public Schools | Grand Forks | ND | |
| Grand Island Central School District | Grand Island | NY | |
| Grand Prairie Independent School District | Grand Prairie | TX | |
| Grapevine-Colleyville Independent School District | Grapevine | TX | |
| Great Falls Public Schools | Great Falls | MT | |
| Great Neck Public Schools | Great Neck | NY | |
| Green Lake School District | Green Lake | WI | |
| Greendale School District | Greendale | WI | |
| Greenville County Schools | Greenville | SC | |
| Guilderland Central School District | Guilderland Center | NY | |
| Guilford County Schools | Greensboro | NC | |
| Gwinnett County Public Schools | Suwanee | GA | |
| Half Hollow Hills School District | Dix Hills | NY | |
| Hanover County Public Schools | Ashland | VA | |
| Harlingen Consolidated Independent School District | Harlingen | TX | |
| Harrison Central School District | Harrison | NY | |
| Harrisonburg City Public Schools | Harrisonburg | VA | |
| Henderson Independent School District | Henderson | TX | |
| Henrico County Public Schools | Henrico | VA | |
| Herricks Public Schools | New Hyde Park | NY | |
| Hicksville Public Schools | Hicksville | NY | |
| Hidalgo Independent School District | Hidalgo | TX | |
| Hillsborough County Public Schools | Tampa | FL | |
| Holland Patent Central School District | Holland Patent | NY | |
| Hollidaysburg Area School District | Hollidaysburg | PA | |
| Honeoye Central School District | Honeoye | NY | |
| Honeoye Falls-Lima Central School District | Honeoye Falls | NY | |
| Hoover City Schools | Hoover | AL | |
| Hortonville Area School District | Hortonville | WI | |
| Howard County Public School System | Ellicott City | MD | |
| Hudson School District | Hudson | WI | |
| Huntington Public Schools | Huntington Station | NY | |
| Hurst-Euless-Bedford Independent School District | Bedford | TX | |
| Hyde Park Central School District | Hyde Park | NY | |
| Independent School District 728 | Elk River | MN | |
| Indian Hill Schools | Cincinnati | OH | |
| Indian Prairie School District 204 | Aurora | IL | |
| Irvine Unified School District | Irvine | CA | |
| Irving Independent School District | Irving | TX | |
| Island Trees School District | Levittown | NY | |
| Islip Union Free School District | Islip | NY | |
| Ithaca City School District | Ithaca | NY | |
| Jackson City Schools | Jackson | OH | |
| Jefferson Township Public Schools | Lake Hopatcong | NJ | |
| Jenison Public Schools | Jenison | MI | |
| Jericho School District | Jericho | NY | |
| Johnson City Central School District | Johnson City | NY | |
| Jordan-Elbridge Central School District | Jordan | NY | |
| Katy Independent School District | Katy | TX | |
| Keller Independent School District | Keller | TX | |
| Kenmore-Tonawanda Union Free School District | Buffalo | NY | |
| Kenosha Unified School District | Kenosha | WI | |
| Kettering City School District | Kettering | OH | |
| Kettle Moraine School District | Wales | WI | |
| Kimberly Area School District | Combined Locks | WI | |
| Kings Local School District | Kings Mills | OH | |
| Kingsport City Schools | Kingsport | TN | |
| Kinnelon Public School District | Kinnelon | NJ | |
| KIPP LA Schools | Los Angeles | CA | |
| Klein Independent School District | Klein | TX | |
| Knox Community School Corporation | Knox | IN | |
| Kutztown Area School District | Kutztown | PA | |
| La Joya Independent School District | La Joya | TX | |
| Lake Mills Area School District | Lake Mills | WI | |
| Lake Orion Community Schools | Lake Orion | MI | |
| Lakewood City School District | Lakewood | OH | |
| Lancaster Central School District | Lancaster | NY | |
| Lansing Central School District | Lansing | NY | |
| Lawrence Township Public Schools | Lawrenceville | NJ | |
| Lawrence Union Free School District | Cedarhust | NY | |
| Le Roy Central School District | Le Roy | NY | |
| Lebanon City Schools | Lebanon | OH | |
| Les Cheneaux Community Schools | Cedarville | MI | |
| Levittown Public Schools | Levittown | NY | |
| Lewisburg Area School District | Lewisburg | PA | |
| Lewis-Palmer School District | Monument | CO | |
| Lewisville Independent School District | Lewisville | TX | |
| Lexington School District One | Lexington | SC | |
| Liberty Public Schools #53 | Liberty | MO | |
| Lincoln Public Schools | Lincoln | NE | |
| Lincolnshire-Prairie View School District 103 | Lincolnshire | IL | |
| Linden Public Schools | Linden | NJ | |
| Little Falls City School District | Little Falls | NY | |
| Liverpool Central School District | Liverpool | NY | |
| Livingston Public Schools | Livingston | NJ | |
| Lockport City School District | Lockport | NY | |
| Long Beach Public Schools | Lido Beach | NY | |
| Longwood Central School District | Middle Island | NY | |
| Los Fresnos Consolidated Independent School District | Los Fresnos | TX | |
| Loudoun County Public Schools | Ashburn | VA | |
| Lower Merion School District | Ardmore | PA | |
| Lower Moreland Township School District | Huntingdon Valley | PA | |
| Loyalsock Township School District | Williamsport | PA | |
| Lubbock Independent School District | Lubbock | TX | |
| Lynbrook School District | Lynbrook | NY | |
| Madera Unified School District | Madera | CA | |
| Madison Public Schools | Madison | NJ | |
| Mahopac Central School District | Mahopac | NY | |
| Maine-Endwell Central School District | Endwell | NY | |
| Malverne Union Free School District | Malverne | NY | |
| Mandan Public School District | Mandan | ND | |
| Manhasset Union Free School District | Manhasset | NY | |
| Manitowoc Public School District | Manitowoc | WI | |
| Marblehead Public Schools | Marblehead | MA | |
| Massapequa Union Free School District #23 | Massapequa | NY | |
| McAllen Independent School District | McAllen | TX | |
| McKeesport Area School District | McKeesport | PA | |
| McKinney Independent School District | McKinney | TX | |
| McNairy County Schools | Selmer | TN | |
| Medina City Schools | Medina | OH | |
| Mercedes Independent School District | Mercedes | TX | |
| Merrick Union Free School District | Merrick | NY | |
| Mesa Public Schools | Mesa | AZ | |
| Mesquite Independent School District | Mesquite | TX | |
| Methacton School District | Eagleville | PA | |
| Metro Nashville Public Schools | Nashville | TN | |
| Metropolitan School District of Lawrence Township | Indianapolis | IN | |
| Metropolitan School District of Warren Township | Indianapolis | IN | |
| Metuchen Public School District | Metuchen | NJ | |
| Mexico Academy & Central School District | Mexico | NY | |
| Midland Park Public Schools | Midland Park | NJ | |
| Midlothian Independent School District | Midlothian | TX | |
| Midway Independent School District | Woodway | TX | |
| Millbrook Central School District | Millbrook | NY | |
| Miller Place School District | Miller Place | NY | |
| Millville Public Schools | Millville | NJ | |
| Milton Hershey School | Hershey | PA | |
| Mineola Public Schools | Mineola | NY | |
| Minnetonka Public Schools | Minnetonka | MN | |
| Missoula County Public Schools | Missoula | MT | |
| Mohonasen Central School District | Schenectady | NY | |
| Mona Shores Public Schools | Muskegon | MI | |
| Monroe-Woodbury Central School District | Central Valley | NY | |
| Montgomery County Public Schools | Christiansburg | VA | |
| Monticello Central School District | Monticello | NY | |
| Montoursville Area School District | Montoursville | PA | |
| Montville Township Public Schools | Montville | NJ | |
| Moon Area School District | Moon Township | PA | |
| Morton Unit School District 709 | Morton | IL | |
| Moshannon Valley School District | Houtzdale | PA | |
| Mounds View Public Schools | Shoreview | MN | |
| Mount Olive School District | Flanders | NJ | |
| Mt. Lebanon School District | Pittsburgh | PA | |
| Nanuet Union Free School District | Nanuet | NY | |
| Nazareth Area School District | Nazareth | PA | |
| Neptune Township School District | Neptune | NJ | |
| Neshaminy School District | Langhorne | PA | |
| New Hartford Central School District | New Hartford | NY | |
| New Hope-Solebury School District | New Hope | PA | |
| New Philadelphia City Schools | New Philadelphia | OH | |
| New Providence School District | New Providence | NJ | |
| Newark Central Schools | Newark | NY | |
| Newburgh Enlarged City School District | Newburgh | NY | |
| Newfield Central School District | Newfield | NY | |
| Newington Public Schools | Newington | CT | |
| Newport News Public Schools | Newport News | VA | |
| Newtown Public School District | Newtown | CT | |
| Niles School District 71 | Niles | IL | |
| Noblesville Schools | Noblesville | IN | |
| Norristown Area School District | Norristown | PA | |
| North Allegheny School District | Pittsburgh | PA | |
| North Andover Public Schools | North Andover | MA | |
| North Babylon School District | North Babylon | NY | |
| North Brunswick Township School District | North Brunswick | NJ | |
| North Colonie Central School District | Latham | NY | |
| North Hills School District | Pittsburgh | PA | |
| North Penn School District | Lansdale | PA | |
| North Shore Schools | Glen Head | NY | |
| Northeastern York School District | Manchester | PA | |
| Northern Cambria School District | Northern Cambria | PA | |
| Northside Independent School District | San Antonio | TX | |
| Northville Central School District | Northville | NY | |
| Northwest Independent School District | Justin Fort Worth | TX | |
| Northwestern Regional School District #7 | Winsted | CT | |
| Norwayne Local School District | Creston | OH | |
| Nutley Public Schools | Nutley | NJ | |
| Oak Hill Union School District | Oak Hill | OH | |
| Oberlin City Schools | Oberlin | OH | |
| Odem-Edroy Independent School District | Odem | TX | |
| Oklahoma Christian Academy | Edmond | OK | |
| Oley Valley School District | Oley | PA | |
| Olmsted Falls City Schools | Olmsted Falls | OH | |
| Oneida City School District | Oneida | NY | |
| Orange County Public Schools | Orlando | FL | |
| Orchard Park Central School District | West Seneca | NY | |
| Orono Public Schools | Long Lake | MN | |
| Orrville City Schools | Orrville | OH | |
| Osseo Area Independent School District #279 | Maple Grove | MN | |
| Ossining Union Free School District | Ossining | NY | |
| Owego Apalachin Central School District | Owego | NY | |
| Paducah Public Schools | Paducah | KY | |
| Palmyra-Macedon Central School District | Palmyra | NY | |
| Panama-Buena Vista Union School District | Bakersfield | CA | |
| Paoli Community School Corporation | Paoli | IN | |
| Paramus School District | Paramus | NJ | |
| Parkland School District | Allentown | PA | |
| Parkway School District | Chesterfield | MO | |
| Parsippany-Troy Hills Township Schools | Parsippany | NJ | |
| Pasadena Independent School District | Pasadena | TX | |
| Pascagoula-Gautier School District | Pascagoula | MS | |
| Patchogue-Medford School District | Patchogue | NY | |
| Pecos-Barstow-Toyah Independent School District | Pecos | TX | |
| Pembroke Public Schools | Pembroke | MA | |
| Penfield Central School District | Rochester | NY | |
| Penn Yan Central School District | Penn Yan | NY | |
| Penn-Harris-Madison School Corporation | Mishawaka | IN | |
| Pennridge School District | Perkasie | PA | |
| Pennsbury School District | Fairless Hills | PA | |
| Perrysburg Exempted Village Schools | Perrysburg | OH | |
| Pharr-San Juan-Alamo Independent School District | Pharr | TX | |
| Phoenix Central School District | Phoenix | NY | |
| Phoenixville Area School District | Phoenixville | PA | |
| Pioneer Central Schools | Yorkshire | NY | |
| Piscataway Township Schools | Piscataway | NJ | |
| Pittsford Central School District | Pittsford | NY | |
| Plainview-Old Bethpage Central School District | Plainview | NY | |
| Plano Independent School District | Plano | TX | |
| Platteville Public Schools | Platteville | WI | |
| Pocono Mountain School District | Swiftwater | PA | |
| Port Jefferson Union Free School District | Port Jefferson | NY | |
| Port Washington Union Free School District | Port Washington | NY | |
| Pottstown School District | Pottstown | PA | |
| Powhatan County Public Schools | Powhatan | VA | |
| Princeton City Schools | Cincinnati | OH | |
| Prosper Independent School District | Prosper | TX | |
| Putnam County Charter School System | Eatonton | GA | |
| Putnam Valley Central School District | Putnam Valley | NY | |
| Quaker Valley School District | Leetsdale | PA | |
| Ramsey School District | Ramsey | NJ | |
| Randolph Public Schools | Randolph | MA | |
| Randolph Township Schools | Randolph | NJ | |
| Ravena-Coeymans-Selkirk Central School District | Selkirk | NY | |
| Red Hook Central Schools | Red Hook | NY | |
| Red Lion Area School District | Red Lion | PA | |
| Red Oak Independent School District | Red Oak | TX | |
| Regional School District No. 8 | Hebron | CT | |
| Richardson Independent School District | Richardson | TX | |
| Roanoke City Public Schools | Roanoke | VA | |
| Roanoke County Public Schools | Roanoke | VA | |
| Rochester Community Schools | Rochester | MI | |
| Rockridge Community Unit School District #300 | Taylor Ridge | IL | |
| Rockville Centre Union Free School District | Rockville Centre | NY | |
| Rockwall Independent School District | Rockwall | TX | |
| Rocky River City School District | Rocky River | OH | |
| Rome City School District | Rome | NY | |
| Round Rock Independent School District | Round Rock | TX | |
| Rush-Henrietta Central School District | Henrietta | NY | |
| San Bruno Park School District | San Bruno | CA | |
| San Marcos Consolidated Independent School District | San Marcos | TX | |
| San Marcos Unified School District | San Marcos | CA | |
| Santa Barbara Unified School District | Santa Barbara | CA | |
| Santa Monica-Malibu Unified School District | Santa Monica | CA | |
| Sante Fe Public Schools | Santa Fe | NM | |
| Sayville Public Schools | Sayville | NY | |
| Scarsdale Public Schools | Scarsdale | NY | |
| Schenectady City School District | Schenectady | NY | |
| Schertz-Cibolo-Universal City Independent School District | Schertz | TX | |
| School District of Elmbrook | Brookfield | WI | |
| School District of Fort Atkinson | Fort Atkinson | WI | |
| School District of Havenford Township | Havertown | PA | |
| School District of Jefferson | Jefferson | WI | |
| School District of Lancaster | Lancaster | PA | |
| School District of Palm Beach County | West Palm Beach | FL | |
| School District of South Orange & Maplewood | Maplewood | NJ | |
| School District of Springfield Township | Oreland | PA | |
| School District of Upper Dublin | Maple Glen | PA | |
| Senatobia Municipal School District | Senatobia | MS | |
| Seymour Community School Corporation | Seymour | IN | |
| Shaker Heights City School District | Shaker Heights | OH | |
| Shaler Area School District | Glenshaw | PA | |
| Shelby County Schools | Memphis | TN | |
| Shenendehowa Central School District | Clifton Park | NY | |
| Sibley-Ocheyedan Community School District | Sibley | IA | |
| Simsbury Public Schools | Simsbury | CT | |
| Sioux City Community Schools | Sioux City | IA | |
| Skaneateles Central School District | Skaneateles | NY | |
| Snoqualmie Valley School District | Snoqualmie | WA | |
| Socorro Independent School District | El Paso | TX | |
| Solon City Schools | Solon | OH | |
| Solvay Union Free School District | Syracuse | NY | |
| Somers Central School District | Somers | NY | |
| South Bend Community School Corporation | South Bend | IN | |
| South Brunswick School District | Monmouth Junction | NJ | |
| South Central Local School District | Greenwich | OH | |
| South Colonie Central School District | Albany | NY | |
| South Country Central School District | East Patchogue | NY | |
| South Huntington Schools | Huntington Station | NY | |
| South Orangetown Central School District | Blauvelt | NY | |
| Southampton Union Free School District | Southampton | NY | |
| Southern Berkshire Regional School District | Sheffield | MA | |
| Southern Huntingdon County School District | Three Springs | PA | |
| Southern Lehigh School District | Center Valley | PA | |
| Southington Public Schools | Southington | CT | |
| Spackenkill Union Free School District | Poughkeepsie | NY | |
| Spotsylvania County Public Schools | Fredericksburg | VA | |
| Spring Grove Area School District | Spring Grove | PA | |
| Spring Independent School District | Houston | TX | |
| Spring Lake Public Schools | Spring Lake | MI | |
| Springfield School District | Springfield | PA | |
| Spring-Ford Area School District | Royersford | PA | |
| Springtown Independent School District | Springtown | TX | |
| St. Anthony-New Brighton Independent School District 282 | Minneapolis | MN | |
| St. Charles Parish Public Schools | Luling | LA | |
| St. Joseph School District | Saint Joseph | MO | |
| Stafford Township School District | Manahawkin | NJ | |
| State College Area School District | State College | PA | |
| Stillwater Public Schools | Stillwater | OK | |
| Strongsville City Schools | Strongsville | OH | |
| Stroudsburg Area School District | Stroudsburg | PA | |
| Sullivan West Central School District | Jeffersonville | NY | |
| Sunset Ridge School District 29 | Northfield | IL | |
| Sycamore Community Schools | Cincinnati | OH | |
| Syosset Central School District | Syosset | NY | |
| Temple City Unified School District | Temple City | CA | |
| Topeka Public Schools | Topeka | KS | |
| Torrington Public Schools | Torrington | CT | |
| Tredyffrin-Easttown School District | Wayne | PA | |
| Tri County Public Schools | De Witt | NE | |
| Trinity Christian School | Sacramento | CA | |
| Troy City Schools | Troy | OH | |
| Troy School District | Troy | MI | |
| Trussville City Schools | Trussville | AL | |
| Tucson Unified School District | Tucson | AZ | |
| Tupelo Public School District | Tupelo | MS | |
| United Community Center, Inc. | Milwaukee | WI | |
| Upper Sandusky Exempted Village Schools | Upper Sandusky | OH | |
| Upper St. Clair School District | Upper St. Clair | PA | |
| Utica Community Schools | Sterling Heights | MI | |
| Val Verde Unified School District | Perris | CA | |
| Valley Stream Central High School District | Valley Stream | NY | |
| Valley View Independent School District | Pharr | TX | |
| Van Buren School District | Van Buren | AR | |
| Vernon Township School District | Vernon | NJ | |
| Vernon-Verona-Sherrill Central Schools | Verona | NY | |
| Vestal Central School District | Vestal | NY | |
| Vestavia Hills City Schools | Vestavia Hills | AL | |
| Virginia Beach City Public Schools | Virginia Beach | VA | |
| Wakefield Public Schools | Wakefield | MA | |
| Wallingford-Swarthmore School District | Wallingford | PA | |
| Walnut Valley Unified School District | Walnut | CA | |
| Walton-Verona Independent School District | Walton | KY | |
| Wa-Nee Community Schools | Nappanee | IN | |
| Wappingers Central School District | Hopewell Junction | NY | |
| Warwick School District | Lititz | PA | |
| Warwick Valley Central School District | Warwick | NY | |
| Washingtonville Central School District | Washingtonville | NY | |
| Washoe County School District | Reno | NV | |
| Watertown Unified School District | Watertown | WI | |
| Waverly Central School District | Waverly | NY | |
| Waxahachie Independent School District | Waxahachie | TX | |
| Wayland Public Schools | Wayland | MA | |
| Wayne Central School District | Ontario Center | NY | |
| Wayne Highlands School District | Honesdale | PA | |
| Webster Central School District | Webster | NY | |
| Weslaco Independent School District | Weslaco | TX | |
| West Allegheny School District | Imperial | PA | |
| West Allis-West Milwaukee School District | West Allis | WI | |
| West Branch Local School District | Beloit | OH | |
| West Central School District 49-7 | Hartford | SD | |
| West Chester Area School District | Exton | PA | |
| West Essex Regional School District | North Caldwell | NJ | |
| West Genesee Central School District | Camillus | NY | |
| West Hartford Public Schools | West Hartford | CT | |
| West Independent School District | West | TX | |
| West Irondequoit Central School District | Rochester | NY | |
| West Islip Public Schools | West Islip | NY | |
| West Lafayette Community School Corporation | West Lafayette | IN | |
| West Milford Township Public Schools | West Milford | NJ | |
| West Orange Public Schools | West Orange | NJ | |
| West Seneca Central School District | West Seneca | NY | |
| West Shore School District | Lewisberry | PA | |
| West Windsor-Plainsboro Regional School District | West Windsor | NJ | |
| Westborough Public Schools | Westborough | MA | |
| Westfield Public Schools | Westfield | NJ | |
| Westford Public Schools | Westford | MA | |
| Westhill Central School District | Syracuse | NY | |
| Weston Public Schools | Weston | MA | |
| Westport Public Schools | Westport | CT | |
| Westwood Regional School District | Township of Washington | NJ | |
| Whitehall School District | Whitehall | WI | |
| Wichita Falls Independent School District | Wichita Falls | TX | |
| Wicomico County Public Schools | Salisbury | MD | |
| Will Carleton Academy | Hillsdale | MI | |
| Willard Public Schools | Willard | MO | |
| William Floyd Union Free School District | Mastic Beach | NY | |
| Williamsport Area School District | Williamsport | PA | |
| Williamsville Central School District | East Amherst | NY | |
| Wilmington City Schools | Wilmington | OH | |
| Wilton Public Schools | Wilton | CT | |
| Windsor Central School District | Windsor | NY | |
| Winton Woods City Schools | Cincinnati | OH | |
| Wylie Independent School District | Wylie | TX | |
| Wyoming City Schools | Wyoming | OH | |
| Wyomissing Area School District | Wyomissing | PA | |
| Yorkville Community Unit School District #115 | Yorkville | IL | |
