Best high schools in Wilmington (2025)
Schools classified as high schools by NCES. Ranked by the Success Index (US) from official American data; 12 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
- 270Calloway (Cab) School of the ArtsWilmington · Public High62% Math proficiency · 941 students
- 369Conrad Schools of ScienceWilmington · Public High63% Math proficiency · 1,164 students
- 462Delaware Military AcademyWilmington · Charter High37% Math proficiency · 547 students
- 550Mount Pleasant High SchoolWilmington · Public High35% Math proficiency · 1,084 students
- 648Concord High SchoolWilmington · Public High32% Math proficiency · 994 students
- 745Dickinson (John) SchoolWilmington · Public High38% Math proficiency · 1,027 students
- 835Brandywine High SchoolWilmington · Public High22% Math proficiency · 897 students
- 925duPont (Alexis I.) High SchoolWilmington · Public High17% Math proficiency · 550 students
- 1019Great Oaks Charter SchoolWilmington · Charter High16% Math proficiency · 149 students
- 1115McKean (Thomas) High SchoolWilmington · Public High2.5% Math proficiency · 920 students
- 1212Freire 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 | Calloway (Cab) School of the Arts Wilmington · High · Grades 6–12 | Public | 70.3 Top 25% | 62% Math proficiency | 941 |
| 3 | Conrad Schools of Science Wilmington · High · Grades 6–12 | Public | 68.8 Top 25% | 63% Math proficiency | 1,164 |
| 4 | Delaware Military Academy Wilmington · High · Grades 9–12 | Charter | 62.0 Top 50% | 37% Math proficiency | 547 |
| 5 | Mount Pleasant High School Wilmington · High · Grades 9–12 | Public | 49.8 Top 50% | 35% Math proficiency | 1,084 |
| 6 | Concord High School Wilmington · High · Grades 9–12 | Public | 47.5 Lower 50% | 32% Math proficiency | 994 |
| 7 | Dickinson (John) School Wilmington · High · Grades 6–12 | Public | 45.0 Lower 50% | 38% Math proficiency | 1,027 |
| 8 | Brandywine High School Wilmington · High · Grades 9–12 | Public | 35.3 Lower 50% | 22% Math proficiency | 897 |
| 9 | duPont (Alexis I.) High School Wilmington · High · Grades 9–12 | Public | 24.6 Lower 50% | 17% Math proficiency | 550 |
| 10 | Great Oaks Charter School Wilmington · High · Grades 9–12 | Charter | 18.6 Lower 50% | 16% Math proficiency | 149 |
| 11 | McKean (Thomas) High School Wilmington · High · Grades 9–12 | Public | 14.7 Lower 50% | 2.5% Math proficiency | 920 |
| 12 | 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 high schools in Wilmington with a Success Index (US) of 82.3. Of the 12 schools shown, 8 are public, 4 are charter.
For the full picture see the wider Delaware high 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 high school in Wilmington?
Charter School of Wilmington in Wilmington, Delaware ranks first among high schools in Wilmington with a Success Index (US) of 82.3 out of 100 (Enrollment: 977).
How are high 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.