Below Average
#870 of 990 schools in CT
John S. Martinez Sea and Sky Stem School
Elementary School · New Haven School District
100 James St., New Haven, CT 06513
Enrollment
483
Student-Teacher
15.1:1
Score
4.3
Grades
Pre-K – 8th
Enrollment
483
Student-Teacher
15.1:1
Score
4.3
Grades
Pre-K – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In New Haven
#26 of 42
public schools
Connecticut elementary schools
#508 of 595
In district
#24 of 37
New Haven School District
About John S. Martinez Sea and Sky Stem School
John S. Martinez Sea and Sky STEM School is a public elementary school located in New Haven, Connecticut, at 100 James Street. The school serves students from pre-kindergarten through eighth grade with an enrollment of 483 students.
With a student-teacher ratio of 15.1:1, the school aims to provide personalized attention to each child's learning needs. Academically, John S. Martinez Sea and Sky STEM School focuses on science, technology, engineering, and math (STEM) education, encouraging hands-on learning experiences that prepare students for future careers in these fields.
However, the school’s MySchoolScout rating is 2.4 out of 10, with a state ranking of #987 out of 996 schools in Connecticut, indicating there is room for academic growth and improvement. On standardized tests, only 28% of students are proficient or above in ELA/reading, while 15% are proficient or above in math. Despite the current challenges, John S.
Martinez Sea and Sky STEM School remains committed to fostering a supportive learning environment that emphasizes student development and innovation. The school is situated in a mid-size city, offering students access to diverse cultural opportunities and resources within New Haven’s vibrant community.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Data not available for this school
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John S. Martinez Sea and Sky Stem School — Students at John S. Martinez Sea and Sky Stem School score 18% proficient, which is above what's typical for similar communities (expected: 13%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
87.4%
Students qualifying for federal meal assistance
Test Scores CT EDFACTS (2021-22)
Based on 6 test records from CT state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 3.9/10.
How John S. Martinez Sea and Sky Stem School Compares
See how John S. Martinez Sea and Sky Stem School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 26% (2019) to 11% (2022). Reading/ELA proficiency has declined from 36% (2019) to 26% (2022).
Location
100 James St., New Haven, CT 06513
Nearby Alternatives
Families considering John S. Martinez Sea and Sky Stem School may also want to explore other elementary schools in the area. Celentano BioTech Health and Medical Magnet School (rated 6.9/10, 1.7 miles away), which scores notably higher. Another option is COLD SPRING SCHOOL (rated 6.1/10, 0.1 miles away), which scores notably higher. Additionally, Fair Haven School (rated 5.9/10, 0.6 miles away), which scores notably higher. For more schools in New Haven, see our New Haven schools guide .
Nearby Schools
20 within 1.7 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 06513 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$46,520
Median Home Value
$226,600
Median Rent
$1,208/mo
Population
38,343
College Educated
18.5%
Homeownership
38.2%
Avg Commute
23.3 min
Poverty Rate
21.9%
Median Age
37.6
Community Profile
The community surrounding John S. Martinez Sea and Sky Stem School has a median household income of $46,520. It is a community where 19% of adults hold a bachelor's degree or higher. The median home value in the area is $226,600, with a median rent of $1,208/month. The area has a poverty rate of 21.9%, indicating some economic challenges in the community. The average commute for residents is 23 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Israel Putnam School Meriden, CT | 4.3 |
| Maple Hill School Naugatuck, CT | 4.3 |
| Memorial School East Hampton, CT | 4.3 |
| Brass City Charter School Waterbury, CT | 4.2 |
| Hill Central Music Academy New Haven, CT | 4.2 |
| King/Robinson Magnet School New Haven, CT | 4.2 |
Frequently Asked Questions
Common questions about John S. Martinez Sea and Sky Stem School
What grades does John S. Martinez Sea and Sky Stem School serve?
John S. Martinez Sea and Sky Stem School serves students in grades Pre-K through 8th.
How many students attend John S. Martinez Sea and Sky Stem School?
John S. Martinez Sea and Sky Stem School has an enrollment of approximately 483 students.
What is the student-teacher ratio at John S. Martinez Sea and Sky Stem School?
The student-teacher ratio at John S. Martinez Sea and Sky Stem School is 15.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does John S. Martinez Sea and Sky Stem School rank in CT?
John S. Martinez Sea and Sky Stem School is ranked #870 out of 990 schools in CT.
What is John S. Martinez Sea and Sky Stem School's MySchoolScout rating?
John S. Martinez Sea and Sky Stem School has a composite rating of 4.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at John S. Martinez Sea and Sky Stem School?
Based on the most recent state assessment data, John S. Martinez Sea and Sky Stem School has 14.7% math proficiency and 27.7% reading/ELA proficiency.
Is John S. Martinez Sea and Sky Stem School a charter school?
No, John S. Martinez Sea and Sky Stem School is not a charter school. It is a traditional public school operated by the local school district.
Is John S. Martinez Sea and Sky Stem School a Title I school?
No, John S. Martinez Sea and Sky Stem School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for John S. Martinez Sea and Sky Stem School?
87.4% of students at John S. Martinez Sea and Sky Stem School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- City Safety
- High (4,132/100K)
FBI UCR 2024. City-level (New Haven). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 8th
- Enrollment
- 483
- Student-Teacher Ratio
- 15.1:1
- Teachers (FTE)
- 32
- Free/Reduced Lunch
- 87.4%
- Type
- regular
- Setting
- Midsize City
- County
- Connecticut Planning Region 7
- Phone
- (475) 220-2000
- Data Year
- 2023–2024
Resources & Links
District
New Haven School District- District Enrollment
- 18,966
- Schools in District
- 37
- Per-Pupil Spending
- $23,603
- District Rank
- #24 of 37
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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