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Excellent

#189 of 990 schools in CT

Top 19% 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

8.2

Grades

Kindergarten – 5th

Data vintage2022-23

How this school compares

Connecticut schools

#189 of 990

In Groton

#2 of 7

public schools

In district

#1 of 7

Groton School District

Academic growth

8.9 / 10

Excellent

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Catherine Kolnaski Magnet School

8.2/10

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

Thames River Magnet School

7.6/10

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

Sacred Heart School

6.4/10

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

About Catherine Kolnaski Magnet School

Catherine Kolnaski Magnet School is a public elementary school in Groton, CT, part of Groton School District. Catherine Kolnaski Magnet School serves approximately 369 students, and covers grades Kindergarten-5th, and has a 11.5:1 student-teacher ratio. Catherine Kolnaski Magnet School has a current MySchoolScout rating of 8.2 out of 10 and ranks #189 of 990 schools in CT.

Structured state assessment records for Catherine Kolnaski Magnet School show 48% math proficiency (multi-year average, 2009-2022) and 53% reading/ELA proficiency (multi-year average, 2009-2022).

How it compares1.0 pts above district
  • This school 8.2 · Excellent
  • District avg 7.2
  • CT avg 6.5

Score Breakdown

Full Profile · 3/3 metrics
Student Progress8.9Excellent50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data13
Annual Change-1.82 pts/yr
Data Period2009–2022
TrendDeclining
Academics7.4Very 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.)39% (model expectation from 2022 EdFacts)
vs. Expected+8.0 pts
Adjusted Percentile62th
Resources & Environment7.5Very Good20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio11.5:1
Per-Pupil Spending$24,893
Chronic Absenteeism15.4%

Catherine Kolnaski Magnet School — Students at Catherine Kolnaski Magnet School score 47% proficient, which is above what's typical for similar communities (expected: 39%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

53.4%

Students qualifying for federal meal assistance

Test Scores CT EDFACTS (2021-22)

Math Proficiency 48.2% (multi-year average, 2009-2022)
School
State
N/A
ELA Proficiency 52.9% (multi-year average, 2009-2022)
School
State
N/A

Based on 26 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
75%
ELA
64%
2010
Math
71%
ELA
62%
2011
Math
70%
ELA
57%
2012
Math
67%
ELA
52%
2014
Math
32%
ELA
42%
2015
Math
37%
ELA
47%
2016
Math
42%
ELA
47%
2017
Math
42%
ELA
47%
2018
Math
42%
ELA
62%
2019
Math
42%
ELA
62%
2020*
Math
32%
ELA
47%
2021*
Math
32%
ELA
47%
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: 8.9/10.

How Catherine Kolnaski Magnet School Compares

See how Catherine Kolnaski Magnet School performs across key quality dimensions compared to state benchmarks.

Overall Score
8.2/10
81th percentile in CT
Academic
7.4/10
Very Good
Growth
8.9/10
Excellent
Environment
7.5/10
Very Good

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
53%
Teaching Staff
12:1 student-teacher ratio
32 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
15.4%

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. Winthrop STEM Elementary Magnet School (rated 8.8/10, 2.4 miles away, in nearby New London), which scores slightly higher. Another option is Thames River Magnet School (rated 7.6/10, 0.6 miles away), with a comparable rating. Additionally, Charles Barnum Magnet School (rated 6.5/10, 2.6 miles away), a more accessible option. For more schools in Groton, see our Groton schools guide .

Nearby Schools

20 within 3.2 mi
School Distance Rating
Thames River Magnet School Groton 0.6 mi 7.6
SACRED HEART SCHOOL Groton 0.6 mi 6.4
Marine Science Magnet High School Groton 0.9 mi 8.5
Charles Barnum Magnet School Groton 2.6 mi 6.5
Interdistrict School For Arts And Communication New London 2.0 mi 3.3
Regional Multicultural Magnet School New London 2.1 mi 4.7
HIGH ROAD SCHOOL OF NEW LONDON MD/HIGH AT SHILOH New London 2.2 mi
Winthrop STEM Elementary Magnet School New London 2.4 mi 8.8
C.B. Jennings International Elementary Magnet New London 2.3 mi 5.1
Nathan Hale Arts Magnet School New London 2.6 mi 4.5
Ella T. Grasso Technical High School Groton 2.4 mi 6.4
ST JOSEPH SCHOOL New London 2.4 mi 6.3
Bennie Dover Jackson Middle School New London 2.5 mi 3.8
New London Visual and Performing Arts Magnet School New London 2.5 mi 7.0
Science and Technology Magnet Pathway for Middle Grades New London 2.5 mi 4.9
Groton Middle School Groton 2.4 mi 7.9
Robert E. Fitch High School Groton 2.6 mi 7.6
THE WILLIAMS SCHOOL New London 2.9 mi 7.0
New London High School New London 3.2 mi 3.6
Science and Technology Magnet Pathway for High School Grades New London 3.2 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
Betances Learning Lab Magnet School Hartford, CT 8.2
Center School Litchfield, CT 8.2
Daisy Ingraham School Westbrook, CT 8.2
Lillie B. Haynes School Niantic, CT 8.2
McKinley School Fairfield, CT 8.2
Monroe Elementary School Monroe, CT 8.2

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 ranks #189 of 990 schools in CT.

What is Catherine Kolnaski Magnet School's MySchoolScout rating?

Catherine Kolnaski Magnet School has a current MySchoolScout rating of 8.2 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 Catherine Kolnaski Magnet School?

Based on loaded state assessment records, Catherine Kolnaski Magnet School has 48% math proficiency (multi-year average, 2009-2022) and 53% reading/ELA proficiency (multi-year average, 2009-2022).

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
20 Car-Dependent
Bike Score
20 Somewhat Bikeable

Powered by Walk Score

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
Chronic Absenteeism (SY 2022-23)
15.4%

District

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

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