| Altar Valley School District 51 | Tucson | AZ | 1 |
| Avenues New York LLC | New York | NY | 1 |
| Belvidere Community Unit School District 100 | Belvidere | IL | 1 |
| Bibb County School District | Macon | GA | 1 |
| Bilingual Buds NYC Inc. | New York | NY | 5 |
| Bowman International School | Palo Alto | CA | 3 |
| Bright Start Center Court Square, Inc. | Long Island City | NY | 1 |
| CDF Celebration LLC | Celebration | FL | 2 |
| Chama Valley Independent School District | Tierra Amarilla | NM | 1 |
| Chandler Unified School District No. 80 | Chandler | AZ | 1 |
| Community Consolidated School District 15 | Palatine | IL | 2 |
| Coral Academy of Science Reno | Reno | NV | 1 |
| County of Santa Cruz, Nogales Unified School District 1 | Nogales | AZ | 1 |
| Creighton Elementary School District | Phoenix | AZ | 1 |
| Cuba Independent Schools | Cuba | NM | 1 |
| Dallas International School | Dallas | TX | 1 |
| Darlington County School District | Darlington | SC | 1 |
| Deer Valley Unified School District 97 | Phoenix | AZ | 1 |
| Dishchiibikoh Community School | Cibecue | AZ | 1 |
| Dorchester School District Two | Summerville | SC | 2 |
| Douglas Unified School District No. 27 | Douglas | AZ | 2 |
| Eagle Butte School District 20-1 | Eagle Butte | SD | 1 |
| Education First Inc. | Weston | FL | 7 |
| ES KHM OpCo, LLC | Miami | FL | 2 |
| Expedition School Ltd dba The Expedition School | Hillsborough | NC | 1 |
| Fletcher Academy, Inc. | Fletcher | NC | 1 |
| French And Montessori Education, Inc. | New Orleans | LA | 2 |
| Garvey Elementary School District | Rosemead | CA | 1 |
| Guidepost A LLC | Houston | TX | 3 |
| Guilford Charter School | Greensboro | NC | 1 |
| Guilford County Schools | Greensboro | NC | 1 |
| Halifax County Schools | Halifax | NC | 2 |
| Healthy Start Education, Inc. | Durham | NC | 2 |
| Holy Family Catholic Schools, Dubuque, Iowa | Dubuque | IA | 2 |
| Horizon Science Academy Elementary School, Inc. | Columbus | OH | 2 |
| Houston Independent School District | Houston | TX | 8 |
| Immersion 5 LLC | San Francisco | CA | 4 |
| Independent School District 270, Hopkins | Hopkins | MN | 4 |
| Independent School District 656 | Faribault | MN | 1 |
| International Leadership of Texas | Richardson | TX | 1 |
| Islamic Society of Tampa Bay Area, Inc. | Tampa | FL | 1 |
| Jefferson Parish Schools | Harvey | LA | 1 |
| Jersey City Global Charter School | Jersey City | NJ | 1 |
| King City Union School District | King City | CA | 1 |
| Kodiak Island Borough School District | Kodiak | AK | 1 |
| Kuspuk School District | Aniak | AK | 1 |
| Lafayette Parish School System | Lafayette | LA | 1 |
| Lakes International Language Academy | Forest Lake | MN | 2 |
| Lame Deer Public Schools | Lame Deer | MT | 1 |
| La Scuola International School | San Francisco | CA | 10 |
| Lexington County School District One | Lexington | SC | 2 |
| Little Tiger Chinese Immersion School, LLC | Austin | TX | 1 |
| Maricopa Unified School District | Maricopa | AZ | 1 |
| Meeting House Montessori Inc. | Braintree | MA | 1 |
| Milwaukee Board of School Directors | Milwaukee | WI | 23 |
| Montessori Hearts Childcare and Early Learning Center | Kent | WA | 2 |
| Nash County Board of Education | Nashville | NC | 2 |
| Natrona County School District 1 | Casper | WY | 1 |
| Northwest Arctic Borough School District | Kotzebue | AK | 1 |
| Odyssey Preschool Inc. | Palo Alto | CA | 2 |
| Pacific Rim International School | San Mateo | CA | 3 |
| PEAK Academy Charter School | Asheville | NC | 1 |
| Pecos-Barstow-Toyah Independent School District | Pecos | TX | 1 |
| Pendergast Elementary School District | Phoenix | AZ | 2 |
| Phoenix Elementary School District No. 1 | Phoenix | AZ | 2 |
| Portsmouth City Public Schools | Portsmouth | VA | 2 |
| Redwood City School District | Redwood City | CA | 1 |
| Richland County School District One | Columbia | SC | 1 |
| Rochambeau, The French International School of Washington, DC | Bethesda | MD | 1 |
| Rock Hill School District Three | Rock Hill | SC | 1 |
| Savannah Chatham County Public School System | Savannah | GA | 2 |
| Scottsdale Unified School District | Scottsdale | AZ | 1 |
| Scottsdale Unified School District No. 48 | Scottsdale | AZ | 1 |
| Sicangu Oyate Ho, Inc. | St Francis | SD | 2 |
| Sing In Chinese LLC | Torrance | CA | 2 |
| Sioux Falls School District 49-5 | Sioux Falls | SD | 4 |
| South Coast Charter School Association | Irvine | CA | 3 |
| Special School District No. 1 | Minneapolis | MN | 1 |
| Spring Bilingual Montessori Academy Inc | Kensington | MD | 2 |
| St. Louis Language Immersion Schools, Inc. | St. Louis | MO | 2 |
| Sun Prairie Area School District | Sun Prairie | WI | 1 |
| The Epiphany School of Global Studies | New Bern | NC | 1 |
| The Hughen Center, Inc | Port Arthur | TX | 1 |
| The Society for Christian Instruction of Zeeland, Michigan | Zeeland | MI | 1 |
| The Society of Pella Christian Schools | Pella | IA | 1 |
| Todd County School District 66-1 | Mission | SD | 1 |
| Triad Math and Science Academy Co. | Apex | NC | 2 |
| Tucson Unified School District | Tucson | AZ | 1 |
| Unified School District 457 | Garden City | KS | 1 |
| Unified School District 480, Liberal | Liberal | KS | 1 |
| Upper Valley Christian School | Leavenworth | WA | 1 |
| Vail Unified School District | Vail | AZ | 1 |
| Warren County Schools | Warrenton | NC | 1 |
| Washington Yu Ying Public Charter School | Washington | DC | 4 |
| Waukegan Community Unit School District 60 | Waukegan | IL | 1 |
| West Contra Costa Unified School District | Richmond | CA | 1 |
| White Shield School District | Roseglen | ND | 1 |
| Ya-Ya Mandarin Seeds, LLC | New York | NY | 2 |
| Yu Ming Charter School | Oakland | CA | 3 |