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SCHOOL COMMUNITY·NORWALK SCHOOL DISTRICT·NCES 090309000648

Jefferson Marine Science Elementary School

75 Van Buren Avenue, Norwalk, CT 06850 · (203) 899-2870 · Western Connecticut Planning Region
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL457 STUDENTS
C
allk12 Grade
Scored higher than 25% of Connecticut public elementary schools
  • CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • ·Beats expectations Not available for this school, so the grade uses the other parts.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Connecticut public elementary schools

Enrollment
457
Elementary
DISTRICT 370 · STATE 378
Student : Teacher
12.0:1
38 FTE teachers
DISTRICT 13.5:1 · STATE 12.6:1
Free / Reduced Lunch
65%
295 students
DISTRICT 52% · STATE 44%
Community
6
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Kindergarten7316%
Grade 18018%
Grade 27516%
Grade 36715%
Grade 47416%
Grade 58819%

This year's kindergarten class (73) is 17% smaller than its 5th grade class (88).

Student demographics
52%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 60% · STATE 67% · US 70%
White
347%
DISTRICT 22% · STATE 46% · US 43%
Hispanic
30667%
DISTRICT 57% · STATE 32% · US 30%
Black
6013%
DISTRICT 13% · STATE 12% · US 15%
Asian
347%
DISTRICT 4% · STATE 5% · US 6%
Two+
194%
DISTRICT 4% · STATE 5% · US 5%
Native American
41%
DISTRICT 0% · STATE 0% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
23251%
Female
22549%

Discussions

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Test scores

CT Smarter Balanced 2024-25 . % Met or Exceeded Standard
English Language Arts
33.8%
CT avg 50.5%
Math
29.0%
CT avg 45.9%

What this means: On the CT Smarter Balanced, Connecticut's statewide test, about 34 of every 100 students at this school read and write at grade level and about 29 of 100 do math at grade level. Across all Connecticut schools, those numbers are about 51 and 46.

Source: CT Smarter Balanced. All students, all grades. See all years and grades →

Schools most like Jefferson Marine Science Elementary School

SchoolStudentsLow-incomeProficient
Jefferson Marine Science Elementary School this school45764.6%N/A
K. T. Murphy School
Stamford
39070.0%N/A
Hayestown Avenue School
Danbury
45064.4%N/A
Kendall College & Career Academy
Norwalk
41663.0%N/A
Toquam Magnet School
Stamford
53263.9%N/A
Roxbury School
Stamford
50959.3%N/A
Matched among Connecticut elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Jefferson Marine Science Elementary School ranks

Among elementary schools
MeasureThis schoolIn ConnecticutIn Western Connecticut Planning Region
Math proficiency
ranked highest first
29.0%#392 of 522#76 of 78
Reading proficiency
ranked highest first
33.8%#377 of 519#63 of 75
Enrollment
ranked largest first
457#156 of 613#33 of 94
Students per teacher
ranked fewest first
12.0:1#239 of 558#40 of 89
Diversity index
ranked most diverse first
52.2%#287 of 560#38 of 89
Free and reduced lunch
ranked highest share first
64.6%#155 of 594#4 of 89
Enrollment change since 2017-18
ranked steepest decline first
-18.0%#77 of 378#10 of 63
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
457
+12 (+3%) vs 2020
+17% since 1990-91, when it was 392
Student : Teacher
12.0:1
was 15.3:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-254573812.0:165% (295)
2023-244653413.7:168% (315)
2022-234253512.1:165% (277)
2020-214452915.3:178% (349)
2017-1855732.817.0:161% (341)
2015-166113816.1:163% (382)
2010-115613715.2:163% (352)
2000-014233113.7:1N/A
1990-913922515.7:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Jefferson Marine Science Elementary School.

Since 2017-18: students down 18% (557 to 457); teachers up 16% (32.8 to 38).

About Jefferson Marine Science Elementary School

At 75 Van Buren Avenue in Norwalk, Connecticut, Jefferson Marine Science Elementary School operates as a medium-sized elementary school. A total of 457 students attend the school, which covers pre-K through 5. Against the 378-student average for elementary schools in Connecticut, enrollment here is 21% higher.

Norwalk School District enrolls 11,341 students in 22 schools, including Jefferson Marine Science Elementary School.

Hispanic students account for 67% of enrollment at Jefferson Marine Science Elementary School. Enrollment also includes 13% Black, 7% White, 7% Asian, and 4% multiracial. The school's Hispanic share is 46 points above the 21% share among Western Connecticut Planning Region residents. By the diversity index, Jefferson Marine Science Elementary School comes in at 52%.

At Jefferson Marine Science Elementary School, 38 full-time-equivalent teachers work with students, a ratio of about 12.0:1. Elementary schools in Connecticut have a similar average ratio of 12.6:1. Students eligible for free or reduced-price lunch make up 65% of enrollment. The gap from the 33% average for public schools in Western Connecticut Planning Region is 33 points.

The allk12 Grade for Jefferson Marine Science Elementary School is C. Compared with Connecticut public elementary schools, the school scored higher than 25% on a mix of test scores, poverty-adjusted results, and recent trend.

Among Western Connecticut Planning Region residents, median household income is about $128,188, the share of adults with a bachelor's degree or higher is 56%, and about 5% of people live in poverty. Jefferson Marine Science Elementary School is one of 149 public schools in Western Connecticut Planning Region, which together enroll about 90,520 students.

The closest public school, Kendall College & Career Academy, is about 0.6 miles from Jefferson Marine Science Elementary School. Within five miles are at least 8 other public schools.

Jefferson Marine Science Elementary School has an NCES locale of Suburb: Large.

Jefferson Marine Science Elementary School saw enrollment rise 3% between 2020-21 and 2024-25. The ratio of students to teachers went from 15.3:1 to 12.0:1 over the same years.

Families, students, and staff can use this page to discuss sports schedules, lunch menus, and spirit week at Jefferson Marine Science Elementary School. Anyone with firsthand experience at this school can post or comment.

Western Connecticut Planning Region at a glance

View full county profile
Population
627,071
Census ACS
Median income
$128,188
Household, ACS
Bachelor's+
56%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
149
90,520 students

Quick facts

School name
Jefferson Marine Science Elementary School
District
Norwalk School District
Address
75 Van Buren Avenue, Norwalk, CT 06850
Phone
(203) 899-2870
County
Western Connecticut Planning Region
Level
Elementary
Grade range
PK–05
Total enrollment
457
Teachers (FTE)
38
Student–teacher ratio
12.0:1
Free and reduced lunch
295 (65%)
Locale
21-Suburb: Large
NCES ID
090309000648
Charter school
No
Virtual school
No

Related schools

Other schools in Norwalk School District
Other schools in Norwalk
Nearby schools

Frequently asked questions

About Jefferson Marine Science Elementary School
How large is Jefferson Marine Science Elementary School?
Jefferson Marine Science Elementary School enrolls approximately 457 students in grades PK-05.
Is Jefferson Marine Science Elementary School an elementary, middle, or high school?
Jefferson Marine Science Elementary School is an elementary school covering grades PK-05.
How many teachers does Jefferson Marine Science Elementary School have?
Jefferson Marine Science Elementary School employs 38 FTE teachers, for a student-to-teacher ratio of 12.0:1.
How diverse is Jefferson Marine Science Elementary School?
Jefferson Marine Science Elementary School reports a student body of 7% White, 67% Hispanic, 13% Black, 7% Asian, 4% Two or more.
Who oversees Jefferson Marine Science Elementary School?
Jefferson Marine Science Elementary School is overseen by Norwalk School District in Western Connecticut Planning Region.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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