Best middle schools in Boulder (2025)
Schools classified as middle schools by NCES. Ranked by the Success Index (US) from official American data; 6 schools in Boulder, Colorado. Rank positions shown on each profile are within United States and Colorado.
- 187Summit Middle Charter SchoolBoulder · Charter Middle82% Math proficiency · 366 students
- 282Southern Hills Middle SchoolBoulder · Public Middle68% Math proficiency · 502 students
- 365Nevin Platt Middle SchoolBoulder · Public Middle50% Math proficiency · 483 students
- 458Manhattan Middle School of the Arts and AcademicsBoulder · Public Middle42% Math proficiency · 482 students
- 557Centennial Middle SchoolBoulder · Public Middle46% Math proficiency · 598 students
- 641Casey Middle SchoolBoulder · Public Middle34% Math proficiency · 363 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Summit Middle Charter School Boulder · Middle · Grades 6–8 | Charter | 86.8 Top 5% | 82% Math proficiency | 366 |
| 2 | Southern Hills Middle School Boulder · Middle · Grades 6–8 | Public | 81.6 Top 10% | 68% Math proficiency | 502 |
| 3 | Nevin Platt Middle School Boulder · Middle · Grades 6–8 | Public | 65.2 Top 50% | 50% Math proficiency | 483 |
| 4 | Manhattan Middle School of the Arts and Academics Boulder · Middle · Grades 6–8 | Public | 57.9 Top 50% | 42% Math proficiency | 482 |
| 5 | Centennial Middle School Boulder · Middle · Grades 6–8 | Public | 57.2 Top 50% | 46% Math proficiency | 598 |
| 6 | Casey Middle School Boulder · Middle · Grades 6–8 | Public | 41.3 Lower 50% | 34% Math proficiency | 363 |
Summit Middle Charter School in Boulder leads the 2025 list of middle schools in Boulder with a Success Index (US) of 86.8. Of the 6 schools shown, 5 are public, 1 are charter.
For the full picture see the wider Colorado middle schools rankings, every school on the Boulder page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best middle school in Boulder?
Summit Middle Charter School in Boulder, Colorado ranks first among middle schools in Boulder with a Success Index (US) of 86.8 out of 100 (Enrollment: 366).
How are middle schools in Boulder 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.