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D

John S. Martinez Sea and Sky STEM School

PublicElementaryGrades PK–8

100 James St., New Haven, CT 06513 · (475) 220-2000 · Part of New Haven School District

New Haven’s School Grade D better than 6% of Connecticut school districts

Students
486
Students per teacher
17:1
Free or reduced lunch
83%
Setting
City
Grades
PK–8
The gist

What stands out about John S. Martinez Sea and Sky STEM School

  • Its own letter, D: reading and math results near the bottom of Connecticut’s public schools
  • Math proficiency 31 pts below the state
  • Reading / language arts 30 pts below the state
  • Next stop for New Haven kids: 8 high schools

On the path

Where New Haven kids come from and go next. The whole path →

PK–8John S. Martinez Sea and Sky STEM SchoolYou are here
9–128 high schoolsDepends on your address

Test scores

2020–21
Math proficiency7%
State average 37.9%
Reading / language arts21%
State average 50.7%

Its own letter, D, places these results among Connecticut’s 920 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

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 2020–21.

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.

Parents talk

Questions and answers about John S. Martinez Sea and Sky STEM School from New Haven families.

Other schools in New Haven School District

The district →

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Connecticut’s other public schools; New Haven’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.