Elm City College Preparatory School vs John S. Martinez Sea and Sky STEM School
A head-to-head comparison of two schools in Connecticut, United States, 954 m apart, using official American 2025 data. The better value in each row is highlighted.
Elm City College Preparatory School
New Haven · Charter other · Grades K–12
760 students
John S. Martinez Sea and Sky STEM School
New Haven · Public elementary · Grades PK–8
486 students
| Measure | Elm City College Preparatory School New Haven, Connecticut | John S. Martinez Sea and Sky STEM School New Haven, Connecticut |
|---|---|---|
| Success Index (US) | – Not rated | 22 Lower 50% |
| State rank | – | #544 of 596 |
| National rank | – | #43342 of 50,301 |
| Sector | Charter | Public |
| Type | Other | Elementary |
| Year range | Grades K–12 | Grades PK–8 |
| Students | 760 | 486 |
| Enrollment | 760 | 486 |
| Free/reduced-price lunch | 78.2% | 83.1% |
| Students per teacher | 19.5 | 17.4 |
| Reading proficiency | 58% | 36% |
| Math proficiency | 52% | 26% |
| city | New Haven | New Haven |
| state | Connecticut | Connecticut |
| Website | – | – |
The verdict
- •Elm City College Preparatory School does better on math proficiency (52% vs 26%).
- •Elm City College Preparatory School does better on reading proficiency (58% vs 36%).
- •Elm City College Preparatory School does better on community advantage (fewer free/reduced-price lunch) (78.2% vs 83.1%).
- •John S. Martinez Sea and Sky STEM School does better on students per teacher (17.4 vs 19.5).
- •Elm City College Preparatory School is the larger school with 760 students compared with 486.
- •Elm City College Preparatory School is a charter school while John S. Martinez Sea and Sky STEM School is a public 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 Elm City College Preparatory School better than John S. Martinez Sea and Sky STEM School?
The two schools are very close on the Success Index (US). Differences in sector, size, programmes and distance from home will matter more than the score.
How far apart are Elm City College Preparatory School and John S. Martinez Sea and Sky STEM School?
About 954 m in a straight line, between New Haven and New Haven in Connecticut.
Which has the better Enrollment?
Elm City College Preparatory School: 760. John S. Martinez Sea and Sky STEM School: 486. Students enrolled in the latest NCES directory year.
How do Elm City College Preparatory School and John S. Martinez Sea and Sky STEM School rank in Connecticut?
Elm City College Preparatory School is unranked and John S. Martinez Sea and Sky STEM School is 544th of 596 among other schools in Connecticut on the 2025 Success Index (US).