Catherine Kolnaski Magnet School
Public elementary school, pre-kindergarten to grade 5 · Groton, Connecticut
Catherine Kolnaski Magnet School in Groton, Connecticut enrolled 375 students in 2024-25 with 31.4 full-time teachers, 12.0 students per teacher against the Connecticut elementary-school median of 12.2. It ran a schoolwide Title I program in 2021-22; every student eats free under the Community Eligibility Provision (2024-25). On the state tests, 50-54% of its students tested were proficient in reading in 2021-22 and 40-44% proficient in math in 2022-23 (Connecticut: 50.5% and 41.2%).
NCES Common Core of Data 2024-25 · Civil Rights Data Collection 2021-22 · Title I status CCD 2021-22 · method
Enrollment rose 7% from 2022-23 to 2024-25; full-time teachers fell 3%
352 students in 2022-23, 369 students in 2023-24, 375 students in 2024-25. Full-time teachers went from 32.4 to 31.4.
The numbers as a table
| School year | Students | Teachers (FTE) | Per teacher |
|---|---|---|---|
| 2022-23 | 352 | 32.4 | 10.9 |
| 2023-24 | 369 | 32.8 | 11.3 |
| 2024-25 | 375 | 31.4 | 12.0 |
12.0 students per teacher, a lower ratio than 56 of every 100 Connecticut elementary schools
Among the 586 Connecticut elementary schools that reported teachers for 2024-25 the median is 12.2; the national median for elementary schools is 14.6. A ratio counts every teacher, so it is not the size of a class.
Source: NCES Common Core of Data membership and staff files, 2022-23, 2023-24, 2024-25; the comparison counts schools with a 2024-25 teacher count and a ratio from 3 to 99 (lower values are reporting errors).
Programs and staff in 2021-22
In the 2021-22 civil rights collection Catherine Kolnaski Magnet School enrolled 358 students and reported no counselor; it reported 1 out-of-school suspensions that year.
- Advanced Placement coursesNone
- Gifted and talented programNo
- Counselors (FTE)0.0
- Out-of-school suspensions1
- Chronically absent16.2% (2022-23)
Who attends
38.4% of students were White, 30.4% Hispanic, 17.9% of two or more races in 2024-25.
- White38.4%
- Hispanic30.4%
- Two or more races17.9%
- Asian8.0%
- Black4.8%
- American Indian0.5%
Source: U.S. Department of Education, Civil Rights Data Collection 2021-22; chronic absenteeism from EDFacts 2022-23; every count and the counselor ratio are for that school year. Who attends: NCES Common Core of Data 2024-25, membership by race and ethnicity.
State test results, 2021-22 and 2022-23
The students tested at Catherine Kolnaski Magnet School scored proficient or above: 50-54% in reading in 2021-22 and 40-44% in math in 2022-23, against 50.5% in reading in 2021-22 and 41.2% in math in 2022-23 across Connecticut. Each state writes its own test and sets its own proficiency bar, so compare these within Connecticut, not across states. ED Data Express holds no district results after 2021-22, so the district column gives its 2021-22 figure.
| Subject and year | This school | Its district | Connecticut |
|---|---|---|---|
| Reading and language arts, 2021-22 | 50‑54% | 54% | 50.5% |
| Math, 2022-23 | 40‑44% | 39% (2021-22) | 41.2% |
Source: U.S. Department of Education, EDFacts state assessment results 2021-22 and 2022-23, all students, from ED Data Express (2021-22 through the Data Rescue Project archive); for 2022-23 ED published math by school and reading only by state: ED shows school and district results as ranges (for example 20-24%) to protect small groups.
Elementary schools in Groton
3 public elementary schools in Groton report 2024-25 enrollment; Catherine Kolnaski Magnet School is number 2 by size.
| School | Students | Per teacher | Free lunch |
|---|---|---|---|
| Thames River Magnet School | 501 | 12.3 | 67.3% |
| Catherine Kolnaski Magnet School | 375 | 12.0 | 73.1% |
| Charles Barnum Magnet School | 339 | 11.8 | 36.9% |
Source: NCES Common Core of Data 2024-25.
What to look at next about Catherine Kolnaski Magnet School
- Thames River Magnet SchoolThe nearest public elementary school, 1.8 miles away: 501 students, 12.3 per teacher (2024-25).1.8 mi
- Regional Multicultural Magnet SchoolThe next nearest public elementary school, 2.1 miles away: 469 students, 13.6 per teacher (2024-25).2.1 mi
- Compare Catherine Kolnaski Magnet School with Thames River Magnet SchoolStudents, teachers, meals, test results and who attends, side by side.
- How much Groton School District spends per student$24,584 per student on current operations in fiscal year 2022-23 (U.S. $16,260), with its revenue sources and teacher pay.$24,584
- The largest public schools in ConnecticutCatherine Kolnaski Magnet School is the number 286 by size of 590 Connecticut elementary schools open in 2024-25.#286 of 590
- Connecticut schools by students per teacher12.0 students per teacher here against the Connecticut median of 12.2 for elementary schools.12.0:1
- Find the school district for an addressA home's district, not its city, decides which public schools it can enroll in.
Source: NCES Common Core of Data 2024-25 (locations, enrollment, teachers); NCES F-33 finance survey, fiscal year 2022-23. Distances are straight lines between the schools' NCES coordinates, not travel routes.
Questions about Catherine Kolnaski Magnet School
How many students attend Catherine Kolnaski Magnet School?
375 in the 2024-25 school year, according to the NCES Common Core of Data; 352 in 2022-23. It is an elementary school in Groton, CT.What is the student-teacher ratio at Catherine Kolnaski Magnet School?
12.0 students per full-time teacher (2024-25); the Connecticut median for elementary schools is 12.2. A ratio counts every teacher, so it is not the size of a class.Is Catherine Kolnaski Magnet School a Title I school?
Catherine Kolnaski Magnet School ran a schoolwide Title I program in 2021-22, the last year NCES published school Title I status.How do students at Catherine Kolnaski Magnet School do on state tests?
The students tested at Catherine Kolnaski Magnet School scored proficient or above: 50-54% in reading in 2021-22 and 40-44% in math in 2022-23, against 50.5% in reading in 2021-22 and 41.2% in math in 2022-23 across Connecticut. Connecticut's own test sets what proficient means, so results compare within the state, not across states. Source: U.S. Department of Education, EDFacts state assessment results, 2021-22 and 2022-23; ED publishes school results as ranges to protect small groups.What district is Catherine Kolnaski Magnet School in?
Groton School District, NCES district ID 0901770. The first seven digits of the school's NCES ID 090177001494 are the district's.
Reading these figures: how to choose a school district, what Title I means and what an absenteeism rate means. They are for information and are not a substitute for the school's or district's own records.
Sources
Every federal file behind this record
- NCES Common Core of Data, 2024-25: directory, membership, staff and lunch files. nces.ed.gov
- NCES Common Core of Data, 2021-22 school characteristics: Title I status. nces.ed.gov
- Civil Rights Data Collection, 2021-22: AP courses, gifted programs, counselors, discipline. civilrightsdata.ed.gov
- EDFacts, 2022-23: chronic absenteeism. ed.gov
- EDFacts state assessment results, 2021-22 and 2022-23: reading and math proficiency for the school, its district and its state (ED Data Express). eddataexpress.ed.gov
- NCES F-33 School District Finance Survey, fiscal year 2022-23: district spending and revenue. nces.ed.gov
- U.S. Census Bureau geocoder and TIGER school districts: the district boundary used by the district finder. census.gov
Source: NCES Common Core of Data Directory, membership, staff and lunch files · 2024-25
Source: Civil Rights Data Collection School-level files (AP, gifted, counselors, discipline) · 2021-22
District spending on the district page is from the NCES F-33 finance survey, fiscal year 2022-23.