| Management Organization | 2020-21 Charter Students | 2020-21 Charter Schools and Campuses |
| K12, Inc. | 98286 | 47 |
| Academica | 90083 | 147 |
| Connections Academy | 66755 | 24 |
| Charter Schools USA | 63603 | 69 |
| National Heritage Academies | 60197 | 88 |
| The Leona Group, L.L.C. | 13010 | 45 |
| ACCEL Schools | 11888 | 33 |
| Charter School Associates, Inc. | 11674 | 18 |
| CS Partners | 7203 | 24 |
| S.M.A.R.T. Management | 6647 | 14 |
| OmniVest Properties Management, LLC | 6628 | 9 |
| Choice Schools Associates, LLC | 5926 | 14 |
| Accelerated Learning Solutions | 5855 | 19 |
| The Romine Group, LLC | 3029 | 7 |
| SABIS Educational Systems, Inc. | 2887 | 5 |
| Hamadeh Educational Services, Inc. | 2585 | 3 |
| The Roger Bacon Academy | 2548 | 4 |
| Superior Charter School Services | 2345 | 4 |
| Romine Group | 2341 | 6 |
| GAR, LLC | 1674 | 7 |
| Ombudsman Educational Services | 1663 | 7 |
| The Educational Empowerment Group, LLC | 1643 | 14 |
| Leading Edge Academy | 1612 | 5 |
| Lincoln-Marti Management Services, LLC | 1463 | 5 |
| Victory Education Partners | 1407 | 3 |
| Heritage Academy | 1329 | 3 |
| Education Management & Networks | 1282 | 5 |
| Rose Academies Public High Schools | 1234 | 5 |
| Career Success Schools | 1025 | 4 |
| Access Point For Human Services | 1012 | 4 |
| FusionEd | 820 | 7 |
| Advance Educational Services | 774 | 4 |
| Midwest Management Group Inc. | 628 | 3 |
| Opportunities for Learning | 591 | 1 |
| Learning Matters Educational Group | 488 | 7 |
| eSchool Consultants | 461 | 3 |
| The Rader Group | 434 | 3 |
| PrepNet, LLC. | 417 | 1 |
| Pinnacle Education, Inc. | 394 | 6 |
| Edtec Central, LLC | 393 | 5 |
| Charter School Management Inc. | 354 | 5 |
| Friendship Public Charter Schools | 297 | 1 |