Best charter schools in Charleston 01 (2025)
Publicly funded charter schools. Ranked by the Success Index (US) from official American data; 8 schools in Charleston 01, South Carolina. Rank positions shown on each profile are within United States and South Carolina.
- Elementary Schools in Charleston 01
- Middle Schools in Charleston 01
- High Schools in Charleston 01
- Traditional Public Schools in Charleston 01
- Schools by Math Proficiency in Charleston 01
- Schools by Reading Proficiency in Charleston 01
- Lowest Student–Teacher Ratio in Charleston 01
- Largest Schools in Charleston 01
- 183James Island Charter HighCharleston · Charter High83% Math proficiency · 1,612 students
- 282East Cooper Montessori CharterMt. Pleasant · Charter Elementary71% Math proficiency · 433 students
- 378Orange Grove Charter SchoolCharleston · Charter Elementary72% Math proficiency · 1,170 students
- 458Carolina Voyager CharterCharleston · Charter Elementary52% Math proficiency · 402 students
- 544Charleston Charter School for Math and ScienceCharleston · Charter High29% Math proficiency · 573 students
- 635Charleston Development AcademyCharleston · Charter Elementary32% Math proficiency · 151 students
- 733Allegro Charter School of MusicNorth Charleston · Charter High12% Math proficiency · 250 students
- 826Greg Mathis Charter HighNorth Charleston · Charter High24.5% Math proficiency · 71 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | James Island Charter High Charleston · High · Grades 9–12 | Charter | 83.1 Top 5% | 83% Math proficiency | 1,612 |
| 2 | East Cooper Montessori Charter Mt. Pleasant · Elementary · Grades PK–8 | Charter | 81.9 Top 10% | 71% Math proficiency | 433 |
| 3 | Orange Grove Charter School Charleston · Elementary · Grades PK–8 | Charter | 77.7 Top 25% | 72% Math proficiency | 1,170 |
| 4 | Carolina Voyager Charter Charleston · Elementary · Grades K–8 | Charter | 57.5 Top 50% | 52% Math proficiency | 402 |
| 5 | Charleston Charter School for Math and Science Charleston · High · Grades 6–12 | Charter | 43.5 Lower 50% | 29% Math proficiency | 573 |
| 6 | Charleston Development Academy Charleston · Elementary · Grades PK–8 | Charter | 35.1 Lower 50% | 32% Math proficiency | 151 |
| 7 | Allegro Charter School of Music North Charleston · High · Grades 6–12 | Charter | 32.5 Lower 50% | 12% Math proficiency | 250 |
| 8 | Greg Mathis Charter High North Charleston · High · Grades 9–12 | Charter | 26.4 Lower 50% | 24.5% Math proficiency | 71 |
James Island Charter High in Charleston leads the 2025 list of charter schools in Charleston 01 with a Success Index (US) of 83.1. Of the 8 schools shown, 8 are charter.
For the full picture see the wider South Carolina charter schools rankings, every school on the Charleston 01 page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best charter school in Charleston 01?
James Island Charter High in Charleston, South Carolina ranks first among charter schools in Charleston 01 with a Success Index (US) of 83.1 out of 100 (Enrollment: 1,612).
How are charter schools in Charleston 01 ranked?
Each school's Success Index (US) combines 4 factors: math proficiency (30%), reading proficiency (30%), community advantage (fewer free/reduced-price lunch) (25%), students per teacher (15%). Each factor is a percentile against schools of the same type across United States. Schools with fewer than 60 students are excluded from rankings.
Are these 2025 rankings official?
No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.