The brief
A Norwalk School District elementary school serving grades Pre-K – 5th.
Students at Jefferson Marine Science Elementary School score 31% proficient, which is above what's typical for similar communities (expected: 30%).
It ranks 301 of 992 schools in Connecticut and 9 of 22 in Norwalk School District.
- 202531%
- 202423%
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2025
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.
Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.
Full Profile · 3/3 metrics
Multi-year averages used by the rating model: math 41% (multi-year average, 2009-2025) · reading/ELA 45% (multi-year average, 2009-2025).
- 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 · 2025 SBAC · Medium confidence
- 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 · 2025 SBAC · Medium confidence
- 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)
- State assessments · 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 06850; 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, 2009-2025; directory SY 2023–24
The neighborhood
Where it sits, and what the area looks like.The area
- Median income
- $121,910
- Median home value
- $562,900
- Median rent
- $2,283/mo
- College educated
- 52.4%
- Homeownership
- 54.9%
- Poverty rate
- 9.2%
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 06850; this is area context, not an attendance boundary.
Getting around
- Walk Score
- 81
- Very Walkable
- Transit Score
- 53
- Good Transit
- Bike Score
- 43
- Somewhat Bikeable
- City reported crime
- 1,024/100K
- Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Norwalk. This is a city-level reported-crime measure, not a school safety rating.
Walk, transit and bike scores by
FBI Uniform Crime Reporting · 2025 · city context (Norwalk), not school-level safety or attendance eligibility. Source details
Source period: 2025. Freshness not available.
Programs and who goes here
What the campus offers, and who it enrolls.Programs
- Gifted and talented
- Available
- A program for qualifying students · CRDC via Urban Institute · SY 2021–22
Who goes here
- Free or reduced lunch
- 67.7%
- Students qualifying for federal meal assistance. Shown separately, never in the score.
NCES Common Core of Data (CCD).
Compare nearby
Grade-compatible schools using the same rating model.- 8.4Compare →
- 7.6Compare →
- Jefferson Marine Science Elementary School7.4
- 6.7Compare →
- 6.5Compare →
- 6.2Compare →
- 6.2Compare →
- 4.9Compare →
- 4.3Compare →
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
The record
What is on file, and where each number came from.Questions families ask
What grades does Jefferson Marine Science Elementary School serve?
Jefferson Marine Science Elementary School serves students in grades Pre-K through 5th.
How many students attend Jefferson Marine Science Elementary School?
Jefferson Marine Science Elementary School has an enrollment of approximately 465 students.
What is the student-teacher ratio at Jefferson Marine Science Elementary School?
The student-teacher ratio at Jefferson Marine Science Elementary School is 13.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Jefferson Marine Science Elementary School rank in CT?
Jefferson Marine Science Elementary School ranks #301 of 992 schools in CT.
What is Jefferson Marine Science Elementary School's MySchoolScout rating?
Jefferson Marine Science Elementary School has a current MySchoolScout rating of 7.4 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 Jefferson Marine Science Elementary School?
Based on loaded state assessment records, Jefferson Marine Science Elementary School has 41% math proficiency (multi-year average, 2009-2025) and 45% reading/ELA proficiency (multi-year average, 2009-2025).
Is Jefferson Marine Science Elementary School a charter school?
No, Jefferson Marine Science Elementary School is not a charter school. It is a traditional public school operated by the local school district.
Is Jefferson Marine Science Elementary School a Title I school?
No, Jefferson Marine Science Elementary School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Jefferson Marine Science Elementary School?
67.7% of students at Jefferson Marine Science Elementary 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 facts
- Grades
- Pre-K – 5th
- Enrollment
- 465
- Student-teacher ratio
- 13.7:1
- Teachers (FTE)
- 34
- Type
- Regular
- Title I
- No
- Setting
- Large Suburb
- County
- Connecticut Planning Region 9
- Phone
- (203) 899-2870
- Rank in district
- #9 of 22
- Schools in district
- 22
- District spending per student
- $26,673
- NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 14.9%
- Census SAIPE · 2024
- Area population (ZIP 06850)
- 19,774
- Area average commute
- 26.5 min
- Area median age
- 40
NCES Common Core of Data (CCD) (SY 2023–24).
Sources and official links
Keep exploring
Related reading
Data from NCES Common Core of Data, Connecticut Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.