Charles D Harrington vs Innovation Academy Charter School
A head-to-head comparison of two schools in Massachusetts, United States, 4.7 km apart, using official American 2025 data. The better value in each row is highlighted.
Charles D Harrington
North Chelmsford · Public elementary · Grades K–4
468 students
Innovation Academy Charter School
Tyngsboro · Charter high · Grades 5–12
770 students
| Measure | Charles D Harrington North Chelmsford, Massachusetts | Innovation Academy Charter School Tyngsboro, Massachusetts |
|---|---|---|
| Success Index (US) | 68 Top 50% | 70 Top 25% |
| State rank | #409 of 1,009 | #146 of 300 |
| National rank | #12994 of 50,301 | #3298 of 16,910 |
| Sector | Public | Charter |
| Type | Elementary | High |
| Year range | Grades K–4 | Grades 5–12 |
| Students | 468 | 770 |
| Enrollment | 468 | 770 |
| Free/reduced-price lunch | – | – |
| Students per teacher | 12.3 | 11.2 |
| Reading proficiency | 62% | 60% |
| Math proficiency | 52% | 61% |
| city | North Chelmsford | Tyngsboro |
| state | Massachusetts | Massachusetts |
| Website | – | – |
The verdict
- •Innovation Academy Charter School scores higher on the Success Index (US) (70.0 vs 67.6).
- •Innovation Academy Charter School does better on math proficiency (61% vs 52%).
- •Charles D Harrington does better on reading proficiency (62% vs 60%).
- •Innovation Academy Charter School does better on students per teacher (11.2 vs 12.3).
- •Innovation Academy Charter School is the larger school with 770 students compared with 468.
- •Charles D Harrington is a public school while Innovation Academy Charter 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 Charles D Harrington better than Innovation Academy Charter School?
On the Success Index (US), Innovation Academy Charter School ranks higher (70.0 vs 67.6 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 Charles D Harrington and Innovation Academy Charter School?
About 4.7 km in a straight line, between North Chelmsford and Tyngsboro in Massachusetts.
Which has the better Enrollment?
Charles D Harrington: 468. Innovation Academy Charter School: 770. Students enrolled in the latest NCES directory year.
How do Charles D Harrington and Innovation Academy Charter School rank in Massachusetts?
Charles D Harrington is 409th of 1,009 and Innovation Academy Charter School is 146th of 300 among elementary schools in Massachusetts on the 2025 Success Index (US).