John S. Martinez Sea and Sky STEM School
🇺🇸 Official data · 2025New Haven, Connecticut 06513 · New Haven School District
#544 of 596 elementary schools in Connecticut
#43342 of 50,301 nationally
About John S. Martinez Sea and Sky STEM School
John S. Martinez Sea and Sky STEM School is a public elementary located in New Haven, in the New Haven School District school district of Connecticut, United States. It caters for Grades PK–8. In 2025 it enrolled 486 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 22.4 out of 100, placing it in the lower 50% of elementary schools in United States and 544th of 596 ranked elementary schools in Connecticut. Its strongest component is reading proficiency (26th percentile), and its weakest is math proficiency (16th percentile).
Other published figures: enrollment 486.
There are 42 schools in New Haven; John S. Martinez Sea and Sky STEM School ranks 28th of 39 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)26%
- Reading proficiency (30%)36%
- Community advantage (fewer free/reduced-price lunch) (25%)83.1%
- Students per teacher (15%)17.4
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for John S. Martinez Sea and Sky STEM School by the official sources.
- Enrollment
- 486
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 83.1%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 17.4
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 36%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 26%
- Share of tested students proficient or above (all students, all grades).
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Schools near John S. Martinez Sea and Sky STEM School
Closest schools by straight-line distance, with their Success Index (US).
Family Academy of Multilingual Exploration
New Haven · Public elementary · Grades PK–8
441 students · 591 m away
Fair Haven School
New Haven · Public elementary · Grades PK–8
734 students · 892 m away
Elm City College Preparatory School
New Haven · Charter other · Grades K–12
760 students · 954 m away
Conte/West Hills Magnet School
New Haven · Public elementary · Grades PK–8
496 students · 1.1 km away
Booker T. Washington Academy
New Haven · Charter elementary · Grades K–8
404 students · 1.3 km away
Metropolitan Business Academy
New Haven · Public high · Grades 9–12
380 students · 1.4 km away
Benjamin Jepson Magnet School
New Haven · Public elementary · Grades PK–8
483 students · 1.5 km away
New Haven Academy
New Haven · Public high · Grades 9–12
321 students · 1.6 km away
East Rock Community Magnet School
New Haven · Public elementary · Grades PK–8
442 students · 1.6 km away
High School In The Community
New Haven · Public high · Grades 9–12
251 students · 1.7 km away
Similar schools
Public elementary schools in Connecticut with a comparable Enrollment.
Charter Oak International Academy
West Hartford · Public elementary · Grades PK–5
486 students
Park City Magnet School
Bridgeport · Public elementary · Grades PK–8
487 students
Killingly Memorial School
Danielson · Public elementary · Grades 2–4
485 students
Nathan Hale School
Meriden · Public elementary · Grades PK–5
485 students
Daniels Farm School
Trumbull · Public elementary · Grades K–5
484 students
Benjamin Jepson Magnet School
New Haven · Public elementary · Grades PK–8
483 students
Frequently asked questions
Is John S. Martinez Sea and Sky STEM School a good school?
John S. Martinez Sea and Sky STEM School has a Success Index (US) of 22.4 out of 100 (Lower 50% of elementary schools in United States) and ranks #544 of 596 in Connecticut. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does John S. Martinez Sea and Sky STEM School rank in Connecticut?
John S. Martinez Sea and Sky STEM School ranks #544 of 596 elementary schools in Connecticut and #43342 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend John S. Martinez Sea and Sky STEM School?
John S. Martinez Sea and Sky STEM School had 486 students in 2025.
Is John S. Martinez Sea and Sky STEM School a elementary school or a high school?
John S. Martinez Sea and Sky STEM School is classified as a elementary covering Grades PK–8. It is a public school.
What other schools are near John S. Martinez Sea and Sky STEM School?
There are 10 schools within 15 km of John S. Martinez Sea and Sky STEM School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.