Serving 332 students in grades Prekindergarten-5, Charles Barnum Magnet School ranks in the top 50% of all schools in Connecticut for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 40-44% (which is approximately equal to the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 55-59% (which is higher than the Connecticut state average of 50%).
The student-teacher ratio of 11:1 is lower than the Connecticut state level of 12:1.
Minority enrollment is 49% of the student body (majority Hispanic), which is lower than the Connecticut state average of 53% (majority Hispanic).
Quick Facts (2026)
- School Type: Magnet School
- Grades: Prekindergarten-5
- Enrollment: 332 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 49%
- Overall Testing Rank: Top 50% in CT
- Math Proficiency: 40-44% (Top 50%)
- Reading Proficiency: 55-59% (Top 50%)
- Science Proficiency: 60-69% (Top 30%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
<麻豆果冻传媒 class='so-dt-title' id="overview">School Overview <麻豆果冻传媒 class='so-dt-title' id="school-rankings">School Rankings
Charles Barnum Magnet School's student population of 332 students has declined by 5% over five school years.
The teacher population of 29 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades Prekindergarten-5
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
332 students
Gender %
Total Classroom Teachers
29 teachers
School Calendar
Last Day of School
Sat. Jun 13, 2026
Charles Barnum Magnet School ranks within the top 50% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Charles Barnum Magnet School is 0.66, which is less than the diversity score at state average of 0.68. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#439 out of 939 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
40-44%
41%
Reading/Language Arts Test Scores (% Proficient)
55-59%
50%
Science Test Scores (% Proficient)
60-69%
47%
Student-Teacher Ratio
11:1
12:1
American Indian
n/a
n/a
Asian
3%
5%
Hispanic
25%
31%
Black
9%
12%
White
51%
47%
Hawaiian
n/a
n/a
Two or more races
12%
5%
All Ethnic Groups
Eligible for Free Lunch
35%
37%
Eligible for Reduced Lunch
14%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
<麻豆果冻传媒 class='so-dt-title' id='faq'>Frequently Asked Questions What is Charles Barnum Magnet School's ranking?
Charles Barnum Magnet School is ranked #439 out of 939 schools, which ranks it among the top 50% of public schools in Connecticut.
What schools are Charles Barnum Magnet School often compared to?
Charles Barnum Magnet Schoolis often viewed alongside schools like Thames River Magnet School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
40-44% of students have achieved math proficiency (compared to the 41% CT state average), while 55-59% of students have achieved reading proficiency (compared to the 50% CT state average).
How many students attend Charles Barnum Magnet School?
332 students attend Charles Barnum Magnet School.
What is the racial composition of the student body?
51% of Charles Barnum Magnet School students are White, 25% of students are Hispanic, 12% of students are Two or more races, 9% of students are Black, and 3% of students are Asian.
What is the student-teacher ratio of Charles Barnum Magnet School?
Charles Barnum Magnet School has a student ration of 11:1, which is lower than the Connecticut state average of 12:1.
What grades does Charles Barnum Magnet School offer ?
Charles Barnum Magnet School offers enrollment in grades Prekindergarten-5 (Supplemental Virtual).
What school district is Charles Barnum Magnet School part of?
Charles Barnum Magnet School is part of Groton School District.
In what neighborhood is Charles Barnum Magnet School located?
Charles Barnum Magnet School is located in the Conning Towers Nautilus Park neighborhood of Groton, CT. There are 1 other public schools located in Conning Towers Nautilus Park.
School ReviewsReview Charles Barnum Magnet School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
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Review Charles Barnum Magnet School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
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