Very Good
#313 of 990 schools in CT
Top 32% in state
Catherine Kolnaski Magnet School
Elementary School · Groton School District
500 Poquonnock Rd., Groton, CT 06340
Enrollment
369
Student-Teacher
11.5:1
Score
7.2
Grades
Kindergarten – 5th
Enrollment
369
Student-Teacher
11.5:1
Score
7.2
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Groton
#5 of 7
public schools
Connecticut elementary schools
#196 of 595
In district
#4 of 7
Groton School District
Academic performance
7.5 / 10
Very strong
About Catherine Kolnaski Magnet School
Catherine Kolnaski Magnet School is an elementary school located in Groton, Connecticut, offering education from kindergarten through fifth grade. With a total enrollment of 369 students and a student-teacher ratio of 11.5:1, the school provides personalized attention to each child’s learning needs. The dedicated staff consists of 32 full-time equivalent teachers who work hard to ensure that every student receives quality education.
According to MySchoolScout ratings, Catherine Kolnaski Magnet School has a rating of 6.5 out of 10 and is ranked #310 among all public schools in Connecticut, placing it in the 69th percentile overall. Academically, the school scores an average of 5.5 out of 10, with 54% proficiency in English Language Arts (ELA) and reading, and 39% proficiency in math. While there is room for improvement in academic performance, Catherine Kolnaski Magnet School focuses on fostering a supportive learning environment where students can grow both academically and personally.
The school’s setting in a mid-size suburb of Groton provides a comfortable community feel with easy access to local amenities and resources. Catherine Kolnaski Magnet School is situated in a neighborhood that offers a close-knit community atmosphere, making it an inviting place for families seeking quality education in a supportive environment.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Data not available for this school
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Catherine Kolnaski Magnet School — Students at Catherine Kolnaski Magnet School score 47% proficient, which is above what's typical for similar communities (expected: 38%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
53.4%
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: 6.9/10.
How Catherine Kolnaski Magnet School Compares
See how Catherine Kolnaski Magnet School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 42% (2019) to 42% (2022). Reading/ELA proficiency has declined from 62% (2019) to 52% (2022).
Location
500 Poquonnock Rd., Groton, CT 06340
Nearby Alternatives
Families considering Catherine Kolnaski Magnet School may also want to explore other elementary schools in the area. Charles Barnum Magnet School (rated 7.4/10, 2.6 miles away), with a very similar rating. Another option is Regional Multicultural Magnet School (rated 6.8/10, 2.1 miles away, in nearby New London), with a comparable rating. Additionally, Thames River Magnet School (rated 6.7/10, 0.6 miles away), with a comparable rating. For more schools in Groton, see our Groton schools guide .
Nearby Schools
20 within 3.2 miNeighborhood 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
Community Profile
The community surrounding Catherine Kolnaski Magnet School has a median household income of $77,768. It is an area where 38% of adults hold a bachelor's degree or higher. The median home value in the area is $275,500, with a median rent of $1,492/month. The area has a poverty rate of 12.2%. Residents enjoy a short average commute of 18 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 |
|---|---|
| Black Rock School Bridgeport, CT | 7.2 |
| Eli Terry School South Windsor, CT | 7.2 |
| Laurel Ledge School Beacon Falls, CT | 7.2 |
| Mitchell Elementary School Woodbury, CT | 7.2 |
| Ruth Chaffee School Newington, CT | 7.2 |
| WASHINGTON MONTESSORI SCHOOL New Preston, CT | 7.2 |
Frequently Asked Questions
Common questions about Catherine Kolnaski Magnet School
What grades does Catherine Kolnaski Magnet School serve?
Catherine Kolnaski Magnet School serves students in grades Kindergarten through 5th.
How many students attend Catherine Kolnaski Magnet School?
Catherine Kolnaski Magnet School has an enrollment of approximately 369 students.
What is the student-teacher ratio at Catherine Kolnaski Magnet School?
The student-teacher ratio at Catherine Kolnaski Magnet School is 11.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Catherine Kolnaski Magnet School rank in CT?
Catherine Kolnaski Magnet School is ranked #313 out of 990 schools in CT.
What is Catherine Kolnaski Magnet School's MySchoolScout rating?
Catherine Kolnaski Magnet School has a composite rating of 7.2 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 Catherine Kolnaski Magnet School?
Based on the most recent state assessment data, Catherine Kolnaski Magnet School has 38.7% math proficiency and 53.7% reading/ELA proficiency.
Is Catherine Kolnaski Magnet School a charter school?
No, Catherine Kolnaski Magnet School is not a charter school. It is a traditional public school operated by the local school district.
Is Catherine Kolnaski Magnet School a Title I school?
No, Catherine Kolnaski Magnet School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Catherine Kolnaski Magnet School?
53.4% of students at Catherine Kolnaski 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.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Groton). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 369
- Student-Teacher Ratio
- 11.5:1
- Teachers (FTE)
- 32
- Free/Reduced Lunch
- 53.4%
- Type
- regular
- Setting
- Midsize Suburb
- County
- Connecticut Planning Region 8
- Phone
- (860) 449-5608
- Data Year
- 2023–2024
Resources & Links
District
Groton School District- District Enrollment
- 4,099
- Schools in District
- 7
- Per-Pupil Spending
- $24,893
- District Rank
- #4 of 7
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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