D
John S. Martinez Sea and Sky STEM School
PublicElementaryGrades PK–8Virtual
100 James St., New Haven, CT 06513 · (475) 220-2000 · Part of New Haven School District
Students
486
Students per teacher
17:1
Free or reduced lunch
83%
Setting
City
Grades
PK–8
What stands out about John S. Martinez Sea and Sky STEM School
- School Grade D: test results are near the bottom of the state
- Math proficiency 31 pts below the state
- Reading / language arts 30 pts below the state
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency7%
State average 37.9%
Reading / language arts21%
State average 50.7%
Location
Directions ↗
100 James St., New Haven
Students
Enrollment by grade
Pre-K50
Kindergarten44
Grade 148
Grade 241
Grade 348
Grade 446
Grade 553
Grade 654
Grade 751
Grade 851
Enrollment over time
469’20
477’21
476’22
483’23
486’24
Up 3.6% since 2020.
Who goes here
Hispanic 90%Black 5%White 2%Two or more races 1%Asian 1%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention John S. Martinez Sea and Sky STEM School.
Other schools in New Haven School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.