John S. Martinez Sea and Sky STEM School
Public
Elementary Grades PK–8 Virtual
Part of New Haven School District
100 James St., New Haven, CT 06513 · (475) 220-2000
Community ratings
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Academic performance
Math proficiency7%
State average 37.9%
Reading / language arts21%
State average 50.7%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
486Students enrolled
17:1Student–teacher ratio
83%Free / reduced lunch
CitySetting
Regular SchoolSchool type
Enrollment by grade
Pre-K50
Kindergarten44
Grade 148
Grade 241
Grade 348
Grade 446
Grade 553
Grade 654
Grade 751
Grade 851
Students
Hispanic · 90%437
Black · 5%26
White · 2%10
Two or more races · 1%6
Asian · 1%5
American Indian/Alaska Native · 0%2
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
469’20
477’21
476’22
483’23
486’24
Location
100 James St. New Haven
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.