| 1 | York Preparatory AcademyRock Hill | Other | 1,681 |
| 2 | Legacy Early CollegeGreenville | Other | 1,583 |
| 3 | Bridges Preparatory SchoolBeaufort | Other | 1,355 |
| 4 | High Point AcademySpartanburg | Other | 1,250 |
| 5 | GREEN Charter SchoolGreenville | Primary | 1,029 |
| 6 | East Point AcademyWest Columbia | Primary | 752 |
| 7 | Fox Creek HighNorth Augusta | High | 691 |
| 8 | Riverwalk AcademyRock Hill | Other | 680 |
| 9 | Liberty STEAM Charter SchoolSumter | Primary | 584 |
| 10 | Greer Middle College Charter HighTaylors | High | 527 |
| 11 | Greenville Technical Charter High SchoolGreenville | High | 526 |
| 12 | Polaris Tech Charter SchoolRidgeland | Other | 515 |
| 13 | Spartanburg Preparatory SchoolSpartanburg | Primary | 500 |
| 14 | SC Whitmore SchoolColumbia | High | 478 |
| 15 | Palmetto Scholars AcademyNorth Charleston | High | 463 |
| 16 | Lowcountry Acceleration AcademyN Charleston | High | 462 |
| 17 | Green Charter School SpartanburgSpartanburg | Primary | 448 |
| 18 | Carolus Online AcademyColumbia | Primary | 402 |
| 19 | LEAD AcademyGreenville | Primary | 396 |
| 20 | Lowcountry Montessori SchoolBeaufort | Other | 388 |
| 21 | Tall Pines STEM AcademyAiken | Middle | 382 |
| 22 | Butler AcademyHartsville | Primary | 350 |
| 23 | GREEN Upstate High School GreenvilleSimpsonville | High | 331 |
| 24 | Felton Laboratory Charter SchoolOrangeburg | Primary | 296 |
| 25 | Youth Leadership AcademyPickens | Middle | 288 |
| 26 | GREEN Charter School LowcountryN Charleston | Primary | 274 |
| 27 | GREEN Charter School MidlandsIrmo | Primary | 264 |
| 28 | Pee Dee Math Sci & TechBishopville | Other | 221 |
| 29 | Lakes and Bridges Charter SchoolEasley | Primary | 202 |
| 30 | Palmetto Achievement Center for Excellence AcademyColumbia | Middle | 198 |
| 31 | Cape Romain Environmental Education Charter SchoolMcClellanville | Primary | 186 |
| 32 | Midlands Middle CollegeColumbia | High | 134 |
| 33 | Learn4Life High School-CharlestonN Charleston | High | 134 |
| 34 | Bettis Preparatory Leadership AcademyTrenton | Primary | 128 |
| 35 | Compass Collegiate AcademyCharleston | Primary | 114 |
| 36 | Meyer Center for Special ChildrenGreenville | Primary | 88 |
| 37 | Carolina Shores Acceleration AcademyMyrtle Beach | High | 56 |
| 38 | Meeting Street-Jasper & BeaufortRidgeland | Primary | 47 |
| 39 | Palmetto ExcelNorth Charleston | High | 1 |
| 40 | BereaColumbia | -- | 0 |
| 41 | Midlands Arts ConservatoryColumbia | -- | 0 |
| 42 | Charleston Advancement Academy High SchoolCharleston | -- | 0 |
| 43 | East Link AcademyGreenville | -- | 0 |
| 44 | Polaris Tech Charter SchoolRidgeland | -- | 0 |