| Savannah Chatham County Public School System | Savannah, GA | 263 |
| Milwaukee Board of School Directors | Milwaukee, WI | 216 |
| Richland County School District One | Columbia, SC | 68 |
| Knowledge Resources Group Inc | Atlanta, GA | 58 |
| Dallas Independent School District | Dallas, TX | 54 |
| Bibb County School District | Macon, GA | 46 |
| Lexington County School District One | Lexington, SC | 40 |
| Palmdale Elementary School District | Palmdale, CA | 39 |
| New York City Department of Education | Brooklyn, NY | 36 |
| Hazelwood School District | Florissant, MO | 34 |
| Halifax County Schools | Halifax, NC | 32 |
| Portsmouth Public Schools | Portsmouth, VA | 32 |
| Granville County Public Schools | Oxford, NC | 31 |
| Yinghua Academy | Minneapolis, MN | 30 |
| Charlotte-Mecklenburg Schools | Charlotte, NC | 30 |
| Triad Math and Science Academy Co. | Apex, NC | 30 |
| Special School District No. 1 | Minneapolis, MN | 30 |
| Energized for Excellence Academy, Inc. | Houston, TX | 29 |
| Bering Strait School District | Unalakleet, AK | 29 |
| Nash County Board of Education | Nashville, NC | 28 |
| Orangeburg County School District | Orangeburg, SC | 27 |
| Darlington County School District | Darlington, SC | 27 |
| Winston-Salem/Forsyth County Schools | Winston-Salem, NC | 26 |
| Dorchester School District Two | Summerville, SC | 26 |
| Wayne County Public Schools | Goldsboro, NC | 25 |
| Isaac School District No. 5 | Phoenix, AZ | 25 |
| Appoquininmink School District | Odessa, DE | 24 |
| Edu Infotech International Resources Inc | Conyers, GA | 22 |
| Gwinnett County Board Of Education | Suwanee, GA | 22 |
| Baltimore City Public Schools | Baltimore, MD | 20 |
| Think Academy International Education Inc. | San Jose, CA | 20 |
| San Jose Unified School District | San Jose, CA | 19 |
| Roosevelt School District 66 | Phoenix, AZ | 19 |
| Grants / Cibola County Schools | Grants, NM | 18 |
| Horizon Science Academy, Inc. | Columbus, OH | 18 |
| Alief Independent School District | Houston, TX | 18 |
| Douglas Unified School District No. 27 | Douglas, AZ | 18 |
| Jasper County School District | Ridgeland, SC | 18 |
| USD 501, Topeka Public Schools | Topeka, KS | 17 |
| Inclusiveness | Morrow, GA | 17 |
| Hobbs Municipal Schools | Hobbs, NM | 17 |
| Tucson Unified School District | Tucson, AZ | 17 |
| Vance County Schools | Henderson, NC | 17 |
| Aa Educational Solutions LLC | Decatur, GA | 17 |
| Houston Independent School District | Houston, TX | 17 |
| Guilford County Schools | Greensboro, NC | 16 |
| Future Promise Educational Services Inc | Piscataway, NJ | 16 |
| Healthy Start Education, Inc. | Durham, NC | 16 |
| International Leadership of Texas | Richardson, TX | 16 |
| Colleton County School District | Walterboro, SC | 16 |
| Scotland County Schools | Laurinburg, NC | 15 |
| County of Santa Cruz, Nogales Unified School District 1 | Nogales, AZ | 15 |
| Manassas Park City Schools | Manassas Park, VA | 14 |
| Pendergast Elementary School District | Phoenix, AZ | 14 |
| Buckeye Elementary School District | Buckeye, AZ | 14 |
| Anson County Schools | Wadesboro, NC | 14 |
| Zuni Public School District | Zuni, NM | 13 |
| Alpha Academy | Fayetteville, NC | 13 |
| Gateway Science Academy Of Saint Louis | Saint Louis, MO | 13 |
| Lee County School District | Bishopville, SC | 13 |
| Green Bay Area Public School District | Green Bay, WI | 13 |
| Southampton County Public Schools | Courtland, VA | 13 |
| Horizon Science Academy-Cincinnati | Cincinnati, OH | 12 |
| Dougherty County School District | Albany, GA | 12 |
| Deer Valley Unified School District 97 | Phoenix, AZ | 12 |
| Henderson Collegiate, Inc. | Henderson, NC | 12 |
| Sioux Falls School District 49-5 | Sioux Falls, SD | 12 |
| Roaring Fork School District RE-1 | Carbondale, CO | 12 |
| Fridley Public Schools Independent School District 14 | Fridley, MN | 11 |
| Toltec School District Number 22 | Eloy, AZ | 11 |
| Des Moines Independent Community School District | Des Moines, IA | 11 |
| Central Consolidated School District | Shiprock, NM | 10 |
| Sunnyside Unified School District No. 12 | Tucson, AZ | 10 |
| Calcasieu Parish School Board | Lake Charles, LA | 10 |
| River City Education Services, Inc. | Jacksonville, FL | 10 |
| Iredell-Statesville Schools | Statesville, NC | 10 |
| Reaching All Minds Academy | Durham, NC | 10 |
| Board of Education, City of Atlanta | Atlanta, GA | 10 |
| Richland County School District Two | Columbia, SC | 10 |
| Science Academies Of New York Charter Schools | Syracuse, NY | 10 |
| Presidio Knolls School, Inc. | San Francisco, CA | 10 |
| Chicago Public Schools | Chicago, IL | 10 |
| Edgecombe County Public Schools | Tarboro, NC | 10 |
| Port Arthur Independent School District | Port Arthur, TX | 10 |
| Los Angeles Unified School District | Los Angeles, CA | 9 |
| Mission Achievement and Success Charter School | Albuquerque, NM | 9 |
| North Slope Borough School District | Barrow, AK | 9 |
| SIFA Learning Academy Charter School | Tamuning, | 9 |
| Williamsburg County School District | Kingstree, SC | 9 |
| La Scuola International School | San Francisco, CA | 9 |
| Daisy Education Corporation | Gilbert, AZ | 9 |
| New Town Public School District 1 | New Town, ND | 9 |
| Crystal Lake Community Consolidated School District 47 | Crystal Lake, IL | 9 |
| Schuyler Community Schools | Schuyler, NE | 9 |
| Stars Education Services, Inc. | Tallahassee, FL | 9 |
| Yu Ming Charter School | Oakland, CA | 9 |
| Academie Lafayette | Kansas City, MO | 9 |
| King City Union School District | King City, CA | 9 |
| Horizon Science Academy Cleveland Middle School | Cleveland, OH | 9 |
| Alpine School District | American Fork, UT | 8 |
| Durham Community Charter School | Durham, NC | 8 |
| Rock Hill School District Three | Rock Hill, SC | 8 |
| Johnston County Public Schools | Smithfield, NC | 8 |
| Madison Parish School Board | Tallulah, LA | 8 |
| Warren County Schools | Warrenton, NC | 8 |
| St. Louis Language Immersion Schools, Inc. | St. Louis, MO | 8 |
| Victory Charter School Tampa 6-12 | Tampa, FL | 8 |
| Santa Cruz Valley Unified School District No. 35 | Rio Rico, AZ | 8 |
| Tuba City Unified School District No. 15 | Tuba City, AZ | 8 |
| Quality Education Academy | Winston-Salem, NC | 8 |
| Southern Kern Unified School District | Rosamond, CA | 8 |
| Hollister School District | Hollister, CA | 8 |
| Coral Academy of Science Reno | Reno, NV | 8 |
| Washington County School District | Saint George, UT | 7 |
| Galena City School District | Galena, AK | 7 |
| Anne Arundel County Public Schools | Annapolis, MD | 7 |
| Box Elder School District | Brigham City, UT | 7 |
| Harrisonburg City Public Schools | Harrisonburg, VA | 7 |
| Santa Fe Public Schools | Santa Fe, NM | 7 |
| Maricopa Unified School District | Maricopa, AZ | 7 |
| Archimedean Academy, Inc. | Miami, FL | 7 |
| Longview Independent School District | Longview, TX | 7 |
| Horizon Science Academy Of Lorain, Inc. | Lorain, OH | 7 |
| Sicangu Oyate Ho, Inc. | Saint Francis, SD | 7 |
| Allegheny East Conference of Seventh-day Adventists | Boyertown, PA | 7 |
| Hope Chinese Charter School | Beaverton, OR | 7 |
| New Century School | St. Paul, MN | 7 |
| Vallejo City Unified School District | Vallejo, CA | 7 |
| Bamberg County School District | Denmark, SC | 7 |
| Northwest Arctic Borough School District | Kotzebue, AK | 7 |
| Unified School District 457 | Garden City, KS | 7 |
| Guilford Charter School | Greensboro, NC | 6 |
| Tangipahoa Parish School System | Amite, LA | 6 |
| Pinnacle Education Services Inc. | Chantilly, VA | 6 |
| Rantoul City School District 137 | Rantoul, IL | 6 |
| Riverdale Country School, Inc. | Bronx, NY | 6 |
| Santa Fe South Schools Inc. | Oklahoma City, OK | 6 |
| Vail Unified School District | Vail, AZ | 6 |
| Todd County School District 66-1 | Mission, SD | 6 |
| Tyler Independent School District | Tyler, TX | 6 |
| District of Columbia International School | Washington, DC | 6 |
| Lexington City Schools | Lexington, NC | 6 |
| Crow Creek Tribal School | Stephan, SD | 6 |
| Independent School District 270, Hopkins | Hopkins, MN | 6 |
| Presidio Independent School District | Presidio, TX | 6 |
| Noble Academy-Columbus | Columbus, OH | 6 |
| Brockton School District 55 & 55F | Brockton, MT | 6 |
| Vision Academy Charter School | East Lansdowne, PA | 6 |
| Washington International School | Washington, DC | 6 |
| Barack Obama Green Charter School | Plainfield, NJ | 6 |
| Educational Solutions Company | Columbus, OH | 6 |
| Etoile Academy Inc | Houston, TX | 5 |
| One City Schools, Inc. | Madison, WI | 5 |
| Willcox Unified School District 13 | Willcox, AZ | 5 |
| Deming Public Schools | Deming, NM | 5 |
| Indiana Math And Science Academy-Indianapolis Inc | Indianapolis, IN | 5 |
| Youth Enrichment Program of Wilson, Inc | Wilson, NC | 5 |
| Clarke County Board of Education (School District) | Athens, GA | 5 |
| Midland Independent School District | Midland, TX | 5 |
| Friendship Public Charter School | Washington, DC | 5 |
| Tooele County School District | Tooele, UT | 5 |
| Weber School District | Ogden, UT | 5 |
| San Francisco Unified School District | San Francisco, CA | 5 |
| Jemez Mountain Public Schools | Gallina, NM | 5 |
| Allendale County School District | Fairfax, SC | 5 |
| Natrona County School District 1 | Casper, WY | 5 |
| Beeville Independent School District | Beeville, TX | 5 |
| Altus Academy | Chicago, IL | 5 |
| Tiospaye Topa School | LaPlant, SD | 5 |
| Energized for STEM Academy, Inc. | Houston, TX | 5 |
| Council Bluffs Community School District | Council Bluffs, IA | 5 |
| Lower Yukon School District | Mountain Village, AK | 5 |
| Teachers' Planet, Inc | Pelham, GA | 5 |
| Denver Public Schools District 1 | Denver, CO | 5 |
| Framingham Public Schools | Framingham, MA | 5 |
| Grand Forks Public Schools | Grand Forks, ND | 5 |
| Bertie County Schools | Windsor, NC | 5 |
| Fairfield County School District | Winnsboro, SC | 5 |
| Calhoun County School District | Saint Matthews, SC | 5 |
| St. Mary's of Medford, Inc. | Medford, OR | 4 |
| Creighton Elementary School District | Phoenix, AZ | 4 |
| Hertford County Schools | Winton, NC | 4 |
| Espanola Public Schools | Espanola, NM | 4 |
| Bernalillo Public Schools | Bernalillo, NM | 4 |
| Lebanon City School District Board of Education | Lebanon, OH | 4 |
| Espiritu Community Development Corporation | Phoenix, AZ | 4 |
| Jordan School District | West Jordan, UT | 4 |
| Jefferson Joint School District 251 | Rigby, ID | 4 |
| Maynard Public Schools | Maynard, MA | 4 |
| The Society for Christian Instruction of Zeeland, Michigan | Zeeland, MI | 4 |
| Pan-American Elementary Charter School | Phoenix, AZ | 4 |
| Paradise Valley Unified School District | Phoenix, AZ | 4 |
| Odyssey Charter School Inc. | Wilmington, DE | 4 |
| Stockton Unified School District | Stockton, CA | 4 |
| Odyssey Preparatory Academy, Inc. | Buckeye, AZ | 4 |
| Bowman International School | Palo Alto, CA | 4 |
| Concept Schools Nfp | Chicago, IL | 4 |
| JSE Music Corp. | Albertson, NY | 4 |
| The Institute for the Development of Young Leaders | Durham, NC | 4 |
| East Point Academy | West Columbia, SC | 4 |
| German School Chicago, NFP | Chicago, IL | 4 |
| Austin Independent School District | Austin, TX | 4 |
| West Contra Costa Unified School District | Richmond, CA | 4 |
| Coral Academy of Science Las Vegas | Las Vegas, NV | 4 |
| Hope Public School District | Hope, AR | 4 |
| Scottsdale Unified School District | Scottsdale, AZ | 4 |
| Charleston Development Academy | Charleston, SC | 4 |
| Mclaughlin School District 15-2 | Mclaughlin, SD | 4 |
| Pella Christian Grade School | Pella, IA | 4 |
| The University Lake School, Inc. | Hartland, WI | 4 |
| Chatham County Schools | Pittsboro, NC | 4 |
| Somerset Academy Of Texas | San Antonio, TX | 4 |
| Dishchiibikoh Community School | Cibecue, AZ | 4 |
| Indiana Math and Science Academy-North Indianapolis | Indianapolis, IN | 4 |
| Rock Point School, Inc. | Rock Point, AZ | 4 |
| RePublic Charter Schools | Nashville, TN | 4 |
| Kyrene Elementary School District No. 28 | Tempe, AZ | 4 |
| Cien Aguas International School | Albuquerque, NM | 4 |
| Fort Worth Independent School District | Fort Worth, TX | 4 |
| USD 475 Geary County Schools | Junction City, KS | 4 |
| St. Michael School | South Sioux City, NE | 4 |
| Virginia Beach City Public Schools | Virginia Beach, VA | 4 |
| Hobbs Municipal Schools | Hobbs, | 4 |
| Davis School District | Farmington, | 4 |
| Laurens School District 55 | Laurens, SC | 3 |
| Dillard Academy, Inc. | Goldsboro, NC | 3 |
| The Calhoun School | New York, NY | 3 |
| Thomasville City Schools | Thomasville, NC | 3 |
| MM1, Inc. | Farmington Hills, MI | 3 |
| Phoenix Elementary School District | Phoenix, AZ | 3 |
| Jersey City Global Charter School | Jersey City, NJ | 3 |
| The Society of Pella Christian Schools | Pella, IA | 3 |
| Stockton Collegiate International Schools | Stockton, CA | 3 |
| San Carlos Unified School District 20 | San Carlos, AZ | 3 |
| Kashunamiut School District | Chevak, AK | 3 |
| Kodiak Island Borough School District | Kodiak, AK | 3 |
| Lowell Community Charter Public School | Lowell, MA | 3 |
| KIPP Nashville | Nashville, TN | 3 |
| Fayette County Public Schools | Lexington, KY | 3 |
| Lafayette Parish School System | Lafayette, LA | 3 |
| Tennessee Nature Academy | Nashville, TN | 3 |
| Na' Neelzhiin Ji Olta, Inc. | Cuba, NM | 3 |
| Hamblen County Department of Education | Morristown, TN | 3 |
| Rabun Gap- Nacoochee School | Rabun Gap, GA | 3 |
| Soundview School | Lynnwood, WA | 3 |
| Twin Cities German Immersion School | ST. Paul, MN | 3 |
| Lame Deer Public Schools | Lame Deer, MT | 3 |
| Focus Inc. | Galveston, TX | 3 |
| Morris Jeff Community School | New Orleans, LA | 3 |
| Community Consolidated School District 15 | Palatine, IL | 3 |
| Mt. Pleasant Elementary School District | San Jose, CA | 3 |
| Dual Immersion Academy | Salt Lake City, UT | 3 |
| East Carroll Parish School Board | Lake Providence, LA | 3 |
| Redwood City School District | Redwood City, CA | 3 |
| Jefferson County Board of Education | Louisville, GA | 3 |
| Counties of Adams & Weld School District 27J | Brighton, CO | 3 |
| Creative Minds International Public Charter School | Washington, DC | 3 |
| Silicon Valley International School | Palo Alto, CA | 3 |
| XES International Education Inc | San Jose, CA | 3 |
| Madison Country Day School, Inc | Waunakee, WI | 3 |
| Greensboro Islamic Academy | Greensboro, NC | 3 |
| Academia Antonia Alonso Charter School | Newark, DE | 3 |
| Wake County Board of Education | Cary, NC | 3 |
| USD 452 Stanton County | Johnson, KS | 3 |
| DaVinci Academy of Arts and Science | Ham Lake, MN | 3 |
| Jefferson Elementary School District | Daly City, CA | 3 |
| Glendale Elementary School District No. 40 | Glendale, AZ | 3 |
| Pharr-San Juan-Alamo Independent School District | Pharr, TX | 3 |
| Caliber Public Schools | Richmond, CA | 3 |
| Excelsior Classical Academy: A Challenge Foundation Academy Inc. | Durham, NC | 3 |
| Lincoln Public Schools | Lincoln, NE | 3 |
| Ferguson Florissant School District | Hazelwood, MO | 3 |
| Felton Laboratory Charter School | Orangeburg, SC | 3 |
| Talbot County Board of Education | Talbotton, GA | 3 |
| Wounded Knee District School | Manderson, SD | 3 |
| District 742 Community Schools | Waite Park, MN | 3 |
| US Virgin Islands Department o Education | St Thomas, | 3 |
| Chandler Unified School District No. 80 | Chandler, AZ | 3 |
| Asia Pacific Educational Foundation | Hauula, HI | 3 |
| Mount Carmel School, Inc. | Saipan, | 3 |
| The Nueva School | San Mateo, CA | 3 |
| Hampton County School District | Varnville, SC | 3 |
| Greensville County Public Schools | Emporia, VA | 3 |
| Marble Falls Independent School District | Marble Falls, TX | 3 |
| Young Scholars of Western Pennsylvania Charter School | Pittsburgh, PA | 3 |
| Vicksburg Warren School District | Vicksburg, MS | 3 |
| Chama Valley Independent School District | Tierra Amarilla, NM | 3 |
| Avenues New York LLC | New York, NY | 3 |
| Shelby County Schools | Memphis, TN | 3 |
| Noble Academy-Cleveland, Inc. | Euclid, OH | 3 |
| New Springs, Inc. | Tampa, FL | 3 |
| Dunseith Public School District 1 | Dunseith, ND | 3 |
| Nome Public School District | Nome, AK | 3 |
| Rocky Mount Preparatory School, Inc. | Rocky Mount, NC | 3 |
| Sussex County Public Schools | Stony Creek, VA | 3 |
| Montessori Community School Inc | Durham, NC | 3 |
| International School Of Brooklyn | Brooklyn, NY | 3 |
| Mexicayotl Academy | Nogales, AZ | 3 |
| The Hughen Center, Inc | Port Arthur, TX | 3 |
| Chinese American International School | San Francisco, CA | 3 |