Mill Brook School vs Synergy Academy Chartered Public School
A head-to-head comparison of two schools in New Hampshire, United States, 2.0 km apart, using official American 2025 data. The better value in each row is highlighted.
Mill Brook School
Concord · Public elementary · Grades PK–2
321 students
Synergy Academy Chartered Public School
Concord · Charter high · Grades 9–12
21 students
| Measure | Mill Brook School Concord, New Hampshire | Synergy Academy Chartered Public School Concord, New Hampshire |
|---|---|---|
| Success Index (US) | 80 Top 10% | 76 Top 25% |
| State rank | #63 of 254 | – |
| National rank | #4844 of 50,301 | – |
| Sector | Public | Charter |
| Type | Elementary | High |
| Year range | Grades PK–2 | Grades 9–12 |
| Students | 321 | 21 |
| Enrollment | 321 | 21 |
| Free/reduced-price lunch | 36.1% | 23.8% |
| Students per teacher | 11.1 | 10.5 |
| Reading proficiency | – | – |
| Math proficiency | – | – |
| city | Concord | Concord |
| state | New Hampshire | New Hampshire |
| Website | – | – |
The verdict
- •Mill Brook School scores higher on the Success Index (US) (80.3 vs 75.5).
- •Synergy Academy Chartered Public School does better on community advantage (fewer free/reduced-price lunch) (23.8% vs 36.1%).
- •Synergy Academy Chartered Public School does better on students per teacher (10.5 vs 11.1).
- •Mill Brook School is the larger school with 321 students compared with 21.
- •Mill Brook School is a public school while Synergy Academy Chartered Public School is a charter school, so fees and admission rules differ.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Mill Brook School better than Synergy Academy Chartered Public School?
On the Success Index (US), Mill Brook School ranks higher (80.3 vs 75.5 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Mill Brook School and Synergy Academy Chartered Public School?
About 2.0 km in a straight line, between Concord and Concord in New Hampshire.
Which has the better Enrollment?
Mill Brook School: 321. Synergy Academy Chartered Public School: 21. Students enrolled in the latest NCES directory year.
How do Mill Brook School and Synergy Academy Chartered Public School rank in New Hampshire?
Mill Brook School is 63rd of 254 and Synergy Academy Chartered Public School is unranked among elementary schools in New Hampshire on the 2025 Success Index (US).