Excellent
#145 of 990 schools in CT
Top 15% in state
Marine Science Magnet High School
High School · Learn · Groton, CT
A Learn high school where students score 15 points above what's typical for similar communities.
130 Shennecossett Road, Groton, CT 06340
- Math 55% proficient (2022)
- Reading 85% proficient (2022)
- 95%+ 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Marine Science Magnet High School score 70% proficient, which is above what's typical for similar communities (expected: 55%).
2022 EdFacts proficiency
Most recent published year. School vs. CT average.
Trend
↓ DecliningProficiency has fallen 8 points since 2019, to 70% in 2022, across a 12-year record (2011–2022).
Show all 11 years
Multi-year averages used by the rating model: math 63% (multi-year average, 2011-2022) · reading/ELA 87% (multi-year average, 2011-2022)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 22 test records from CT state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
32.8%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Marine Science Magnet High School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 41Car-Dependent
- Bike 46Somewhat Bikeable
- City Safety: Elevated883/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Groton), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$77,768
Median home value
$275,500
Median rent
$1,492/mo
College educated
38.1%
Homeownership
42.2%
Poverty rate
12.2%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 06340; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| High Road School of New London Md/high at ShilohPrivate · tuition | Not rated | 7–12 | 2.0 mi | 15 | Compare → |
| New London Visual and Performing Arts Magnet SchoolEnrollment path unverified | 7.0 | 6–12 | 2.3 mi | 234 | Compare → |
| Ella T. Grasso Technical High SchoolEnrollment path unverified | 6.4 | 9–12 | 2.9 mi | 674 | Compare → |
| New London High SchoolEnrollment path unverified | 3.6 | 9–12 | 3.0 mi | 593 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Learn
- Schools in district
- 4
- Rank in district
- #1 of 4
- District spending per student
- $27,966NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- The source release did not match this district identifier.
Marine Science Magnet High School is listed in Learn; a district label does not verify attendance for an address.
About Marine Science Magnet High School
Marine Science Magnet High School is a public high school in Groton, CT, part of Learn, serving approximately 271 students in grades 9th-12th with a 11.3:1 student-teacher ratio. It holds a MySchoolScout rating of 8.5 out of 10 and ranks #145 of 990 schools in CT. State assessment records show 63% math proficiency (multi-year average, 2011-2022) and 87% reading/ELA proficiency (multi-year average, 2011-2022).
Frequently asked questions
Common questions about Marine Science Magnet High School
What grades does Marine Science Magnet High School serve?
Marine Science Magnet High School serves students in grades 9th through 12th.
How many students attend Marine Science Magnet High School?
Marine Science Magnet High School has an enrollment of approximately 271 students.
What is the student-teacher ratio at Marine Science Magnet High School?
The student-teacher ratio at Marine Science Magnet High School is 11.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Marine Science Magnet High School rank in CT?
Marine Science Magnet High School ranks #145 of 990 schools in CT.
What is Marine Science Magnet High School's MySchoolScout rating?
Marine Science Magnet High School has a current MySchoolScout rating of 8.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Marine Science Magnet High School?
Based on loaded state assessment records, Marine Science Magnet High School has 63% math proficiency (multi-year average, 2011-2022) and 87% reading/ELA proficiency (multi-year average, 2011-2022).
Is Marine Science Magnet High School a charter school?
No, Marine Science Magnet High School is not a charter school. It is a traditional public school operated by the local school district.
Is Marine Science Magnet High School a Title I school?
No, Marine Science Magnet High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Marine Science Magnet High School?
32.8% of students at Marine Science Magnet High 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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 271
- Student-Teacher Ratio
- 11.3:1
- Teachers (FTE)
- 24
- Type
- regular
- Setting
- Midsize Suburb
- County
- Connecticut Planning Region 8
- Chronic Absenteeism (SY 2022-23)
- 25.8%
- Phone
- (860) 434-4800
- 4-Year Graduation
- 95%+
- Area population (ZIP 06340)
- 29,833
- Area average commute
- 18.4 min
- Area median age
- 33.2
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2022 EdFacts · Low confidence
- Older source: 2022 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2022 EdFacts · Low confidence
- Older source: 2022 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 06340; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2011-2022; directory SY 2023–24
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