Charter Oak International Academy vs John S. Martinez Sea and Sky STEM School
A head-to-head comparison of two elementary schools in Connecticut, United States, 51 km apart, using official American 2025 data. The better value in each row is highlighted.
Charter Oak International Academy
West Hartford · Public elementary · Grades PK–5
486 students
John S. Martinez Sea and Sky STEM School
New Haven · Public elementary · Grades PK–8
486 students
| Measure | Charter Oak International Academy West Hartford, Connecticut | John S. Martinez Sea and Sky STEM School New Haven, Connecticut |
|---|---|---|
| Success Index (US) | 63 Top 50% | 22 Lower 50% |
| State rank | #321 of 596 | #544 of 596 |
| National rank | #15903 of 50,301 | #43342 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades PK–5 | Grades PK–8 |
| Students | 486 | 486 |
| Enrollment | 486 | 486 |
| Free/reduced-price lunch | 56.6% | 83.1% |
| Students per teacher | 11.6 | 17.4 |
| Reading proficiency | 61% | 36% |
| Math proficiency | 50% | 26% |
| city | West Hartford | New Haven |
| state | Connecticut | Connecticut |
| Website | – | – |
The verdict
- •Charter Oak International Academy scores higher on the Success Index (US) (63.3 vs 22.4).
- •Charter Oak International Academy does better on math proficiency (50% vs 26%).
- •Charter Oak International Academy does better on reading proficiency (61% vs 36%).
- •Charter Oak International Academy does better on community advantage (fewer free/reduced-price lunch) (56.6% vs 83.1%).
- •Charter Oak International Academy does better on students per teacher (11.6 vs 17.4).
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 Charter Oak International Academy better than John S. Martinez Sea and Sky STEM School?
On the Success Index (US), Charter Oak International Academy ranks higher (63.3 vs 22.4 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 Charter Oak International Academy and John S. Martinez Sea and Sky STEM School?
About 51 km in a straight line, between West Hartford and New Haven in Connecticut.
Which has the better Enrollment?
Charter Oak International Academy: 486. John S. Martinez Sea and Sky STEM School: 486. Students enrolled in the latest NCES directory year.
How do Charter Oak International Academy and John S. Martinez Sea and Sky STEM School rank in Connecticut?
Charter Oak International Academy is 321st of 596 and John S. Martinez Sea and Sky STEM School is 544th of 596 among elementary schools in Connecticut on the 2025 Success Index (US).