Serving 252 students in grades Prekindergarten-4, John B. Sliney School ranks in the top 50% of all schools in Connecticut for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 60-64% (which is higher than the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is approximately equal to the Connecticut state average of 50%).
The student-teacher ratio of 9:1 is lower than the Connecticut state level of 12:1.
Minority enrollment is 36% of the student body (majority Hispanic), which is lower than the Connecticut state average of 54% (majority Hispanic).
Quick Facts (2026)
- Grades: Prekindergarten-4
- Enrollment: 252 students
- Student-Teacher Ratio: 9:1
- Minority Enrollment: 36%
- Overall Testing Rank: Top 50% in CT
- Math Proficiency: 60-64% (Top 30%)
- Reading Proficiency: 50-54% (Top 50%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
John B. Sliney School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Community Size
Student Attention
School Overview
John B. Sliney School's student population of 252 students has stayed relatively flat over five school years.
The teacher population of 28 teachers has grown by 16% over five school years.
Grades Offered
Grades Prekindergarten-4
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
252 students
Total Classroom Teachers
28 teachers
Year Founded
1929
School Rankings
John B. Sliney 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 John B. Sliney School is 0.54, 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
#355 out of 939 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
60-64%
41%
Reading/Language Arts Test Scores (% Proficient)
50-54%
50%
Student-Teacher Ratio
9:1
12:1
American Indian
n/a
n/a
Asian
3%
5%
Hispanic
21%
32%
Black
4%
12%
White
64%
46%
Hawaiian
n/a
n/a
Two or more races
8%
5%
All Ethnic Groups
Eligible for Free Lunch
39%
38%
Eligible for Reduced Lunch
8%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is John B. Sliney School's ranking?
John B. Sliney School is ranked #355 out of 939 schools, which ranks it among the top 50% of public schools in Connecticut.
What schools are John B. Sliney School often compared to?
John B. Sliney Schoolis often viewed alongside schools like Mary T. Murphy School, Mary R. Tisko School, Guilford Lakes School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
60-64% of students have achieved math proficiency (compared to the 41% CT state average), while 50-54% of students have achieved reading proficiency (compared to the 50% CT state average).
How many students attend John B. Sliney School?
252 students attend John B. Sliney School.
What is the racial composition of the student body?
64% of John B. Sliney School students are White, 21% of students are Hispanic, 8% of students are Two or more races, 4% of students are Black, and 3% of students are Asian.
What is the student-teacher ratio of John B. Sliney School?
John B. Sliney School has a student ration of 9:1, which is lower than the Connecticut state average of 12:1.
What grades does John B. Sliney School offer ?
John B. Sliney School offers enrollment in grades Prekindergarten-4 (Supplemental Virtual).
What school district is John B. Sliney School part of?
John B. Sliney School is part of Branford School District.
In what neighborhood is John B. Sliney School located?
John B. Sliney School is located in the Branford Center neighborhood of Branford, CT. There are 1 other public schools located in Branford Center.
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