Best charter schools in Wilmington (2025)
Publicly funded charter schools. Ranked by the Success Index (US) from official American data; 9 schools in Wilmington, Delaware. Rank positions shown on each profile are within United States and Delaware.
- 182Charter School of WilmingtonWilmington · Charter High91% Math proficiency · 977 students
- 262Delaware Military AcademyWilmington · Charter High37% Math proficiency · 547 students
- 357First State Montessori AcademyWilmington · Charter Elementary51% Math proficiency · 657 students
- 432Kuumba Academy Charter SchoolWilmington · Charter Elementary29% Math proficiency · 594 students
- 522East Side Charter SchoolWilmington · Charter Elementary16% Math proficiency · 434 students
- 619Great Oaks Charter SchoolWilmington · Charter High16% Math proficiency · 149 students
- 717Gateway Charter SchoolWilmington · Charter Elementary2.5% Math proficiency · 211 students
- 816Edison (Thomas A.) Charter SchoolWilmington · Charter Elementary11% Math proficiency · 557 students
- 912Freire Charter SchoolWilmington · Charter High12% Math proficiency · 406 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Charter School of Wilmington Wilmington · High · Grades 9–12 | Charter | 82.3 Top 10% | 91% Math proficiency | 977 |
| 2 | Delaware Military Academy Wilmington · High · Grades 9–12 | Charter | 62.0 Top 50% | 37% Math proficiency | 547 |
| 3 | First State Montessori Academy Wilmington · Elementary · Grades K–8 | Charter | 56.5 Top 50% | 51% Math proficiency | 657 |
| 4 | Kuumba Academy Charter School Wilmington · Elementary · Grades K–8 | Charter | 32.2 Lower 50% | 29% Math proficiency | 594 |
| 5 | East Side Charter School Wilmington · Elementary · Grades K–8 | Charter | 22.3 Lower 50% | 16% Math proficiency | 434 |
| 6 | Great Oaks Charter School Wilmington · High · Grades 9–12 | Charter | 18.6 Lower 50% | 16% Math proficiency | 149 |
| 7 | Gateway Charter School Wilmington · Elementary · Grades K–8 | Charter | 17.3 Lower 50% | 2.5% Math proficiency | 211 |
| 8 | Edison (Thomas A.) Charter School Wilmington · Elementary · Grades K–8 | Charter | 16.1 Lower 50% | 11% Math proficiency | 557 |
| 9 | Freire Charter School Wilmington · High · Grades 8–12 | Charter | 12.3 Lower 50% | 12% Math proficiency | 406 |
Charter School of Wilmington in Wilmington leads the 2025 list of charter schools in Wilmington with a Success Index (US) of 82.3. Of the 9 schools shown, 9 are charter.
For the full picture see the wider Delaware charter schools rankings, every school on the Wilmington 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 Wilmington?
Charter School of Wilmington in Wilmington, Delaware ranks first among charter schools in Wilmington with a Success Index (US) of 82.3 out of 100 (Enrollment: 977).
How are charter schools in Wilmington 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.