Skip to main content

Very Good

#285 of 990 schools in CT

Top 29% in state

Thames River Magnet School

Elementary School · Groton School District

250 Brandegee Avenue, Groton, CT 06340

Enrollment

531

Student-Teacher

12.6:1

Score

7.6

Grades

Pre-K – 5th

Data vintage2022-23

How this school compares

Connecticut schools

#285 of 990

In Groton

#5 of 7

public schools

In district

#5 of 7

Groton School District

Academic growth

8.2 / 10

Excellent

School shortlistprofile + nearby

Shortlisting around Thames River Magnet School?

Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.

Shortlist starter

Start with these real page-level signals, then use the full table and map below.

Thames River Magnet School

7.6/10

Elementary School in Groton · grades Pre-K – 5th. Start here, then compare fit against nearby and district options.

Marine Science Magnet High School

8.5/10

0.3 mi away. Use as a geographic alternative in the same move search.

Catherine Kolnaski Magnet School

8.2/10

0.6 mi away. Use as a geographic alternative in the same move search.

About Thames River Magnet School

Thames River Magnet School is a public elementary school in Groton, CT, part of Groton School District. Thames River Magnet School serves approximately 531 students, and covers grades Pre-K-5th, and has a 12.6:1 student-teacher ratio. Thames River Magnet School has a current MySchoolScout rating of 7.6 out of 10 and ranks #285 of 990 schools in CT.

Structured state assessment records for Thames River Magnet School show 56% math proficiency (multi-year average, 2009-2022) and 56% reading/ELA proficiency (multi-year average, 2009-2022).

How it compares0.4 pts above district
  • This school 7.6 · Very Good
  • District avg 7.2
  • CT avg 6.5

Score Breakdown

Full Profile · 3/3 metrics
Student Progress8.2Excellent50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-2.24 pts/yr
Data Period2009–2022
TrendDeclining
Academics7.3Very Good30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency42% (2022 EdFacts)
Reading/ELA Proficiency52% (2022 EdFacts)
Overall Proficiency47% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)41% (model expectation from 2022 EdFacts)
vs. Expected+6.0 pts
Adjusted Percentile60th
Resources & Environment6.8Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio12.6:1
Per-Pupil Spending$24,893
Chronic Absenteeism15.3%

Thames River Magnet School — Students at Thames River Magnet School score 47% proficient, which is above what's typical for similar communities (expected: 41%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

50.7%

Students qualifying for federal meal assistance

Test Scores CT EDFACTS (2021-22)

Math Proficiency 55.8% (multi-year average, 2009-2022)
School
State
N/A
ELA Proficiency 55.8% (multi-year average, 2009-2022)
School
State
N/A

Based on 28 test records from CT state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
87%
ELA
67%
2010
Math
87%
ELA
77%
2011
Math
87%
ELA
72%
2012
Math
82%
ELA
67%
2013
Math
24.5%
ELA
24.5%
2014
Math
32%
ELA
42%
2015
Math
52%
ELA
52%
2016
Math
47%
ELA
52%
2017
Math
42%
ELA
47%
2018
Math
52%
ELA
57%
2019
Math
52%
ELA
57%
2020*
Math
47%
ELA
57%
2021*
Math
47%
ELA
57%
2022
Math
42%
ELA
52%

* 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: 8.2/10.

How Thames River Magnet School Compares

See how Thames River Magnet School performs across key quality dimensions compared to state benchmarks.

Overall Score
7.6/10
71th percentile in CT
Academic
7.3/10
Very Good
Growth
8.2/10
Excellent
Environment
6.8/10
Average
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
51%
Teaching Staff
13:1 student-teacher ratio
42 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
15.3%

Programs & Offerings

Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

250 Brandegee Avenue, Groton, CT 06340

Nearby Alternatives

Families considering Thames River Magnet School may also want to explore other elementary schools in the area. Winthrop STEM Elementary Magnet School (rated 8.8/10, 2.6 miles away, in nearby New London), which scores notably higher. Another option is Catherine Kolnaski Magnet School (rated 8.2/10, 0.6 miles away), which scores slightly higher. Additionally, Charles Barnum Magnet School (rated 6.5/10, 3.1 miles away), a more accessible option. For more schools in Groton, see our Groton schools guide .

Nearby Schools

20 within 3.1 mi
School Distance Rating
Marine Science Magnet High School Groton 0.3 mi 8.5
Catherine Kolnaski Magnet School Groton 0.6 mi 8.2
SACRED HEART SCHOOL Groton 0.7 mi 6.4
Interdistrict School For Arts And Communication New London 2.0 mi 3.3
Nathan Hale Arts Magnet School New London 2.1 mi 4.5
Regional Multicultural Magnet School New London 2.1 mi 4.7
HIGH ROAD SCHOOL OF NEW LONDON MD/HIGH AT SHILOH New London 2.1 mi
ST JOSEPH SCHOOL New London 2.1 mi 6.3
C.B. Jennings International Elementary Magnet New London 2.3 mi 5.1
Winthrop STEM Elementary Magnet School New London 2.6 mi 8.8
Bennie Dover Jackson Middle School New London 2.4 mi 3.8
New London Visual and Performing Arts Magnet School New London 2.4 mi 7.0
Science and Technology Magnet Pathway for Middle Grades New London 2.4 mi 4.9
Charles Barnum Magnet School Groton 3.1 mi 6.5
Ella T. Grasso Technical High School Groton 2.6 mi 6.4
THE WILLIAMS SCHOOL New London 3.2 mi 7.0
Groton Middle School Groton 2.7 mi 7.9
Robert E. Fitch High School Groton 2.8 mi 7.6
New London High School New London 3.1 mi 3.6
Science and Technology Magnet Pathway for High School Grades New London 3.1 mi 8.5

Neighborhood Census ACS (2019-2023)

Census data for ZIP 06340 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$77,768

Median Home Value

$275,500

Median Rent

$1,492/mo

Population

29,833

College Educated

38.1%

Homeownership

42.2%

Avg Commute

18.4 min

Poverty Rate

12.2%

Median Age

33.2

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Center School Ellington, CT 7.6
Long Hill School Shelton, CT 7.6
Pomfret Community School Pomfret Center, CT 7.5
South Side School Bristol, CT 7.5
Wakelee School Wolcott, CT 7.5
Center Road School Vernon, CT 7.7

Frequently Asked Questions

Common questions about Thames River Magnet School

What grades does Thames River Magnet School serve?

Thames River Magnet School serves students in grades Pre-K through 5th.

How many students attend Thames River Magnet School?

Thames River Magnet School has an enrollment of approximately 531 students.

What is the student-teacher ratio at Thames River Magnet School?

The student-teacher ratio at Thames River Magnet School is 12.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Thames River Magnet School rank in CT?

Thames River Magnet School ranks #285 of 990 schools in CT.

What is Thames River Magnet School's MySchoolScout rating?

Thames River Magnet School has a current MySchoolScout rating of 7.6 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 Thames River Magnet School?

Based on loaded state assessment records, Thames River Magnet School has 56% math proficiency (multi-year average, 2009-2022) and 56% reading/ELA proficiency (multi-year average, 2009-2022).

Is Thames River Magnet School a charter school?

No, Thames River Magnet School is not a charter school. It is a traditional public school operated by the local school district.

Is Thames River Magnet School a Title I school?

No, Thames River Magnet School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Thames River Magnet School?

50.7% of students at Thames River Magnet 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.

11 schools nearby View map →

Neighborhood Context

Walk Score
43 Car-Dependent
Bike Score
55 Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
Pre-K – 5th
Enrollment
531
Student-Teacher Ratio
12.6:1
Teachers (FTE)
42
Free/Reduced Lunch
50.7%
Type
regular
Setting
Midsize Suburb
County
Connecticut Planning Region 8
Chronic Absenteeism (SY 2022-23)
15.3%

District

Groton School District
District Enrollment
4,099
Schools in District
7
Per-Pupil Spending
$24,893
District Rank
#5 of 7

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 rate

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.