Serving 365 students in grades Prekindergarten-4, Mary R. Tisko 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 55-59% (which is higher than 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 12:1 is equal to the Connecticut state level of 12:1.
Minority enrollment is 18% of the student body (majority Hispanic), which is lower than the Connecticut state average of 54% (majority Hispanic).
Quick Facts (26-27)
- Grades: Prekindergarten-4
- Enrollment: 365 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 18%
- Overall Testing Rank: Top 50% in CT
- Math Proficiency: 55-59% (Top 30%)
- Reading Proficiency: 55-59% (Top 50%)
- Attendance Zone: Mary R. Tisko School serves the eastern part of Branford, CT, covering an area of approximately 11.1 square miles. The typical drive to the school is between 5 to 10 minutes, with the furthest edge of the attendance zone located about 3.3 miles away.
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
School Overview
Mary R. Tisko School's student population of 365 students has grown by 10% over five school years.
The teacher population of 31 teachers has grown by 6% over five school years.
Grades Offered
Grades Prekindergarten-4
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
365 students
Showing 2015–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
31 teachers
Showing 2015–2025. Full 39-year historical data available below ↓
School Calendar
School Rankings
Mary R. Tisko 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 Mary R. Tisko School is 0.31, 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
#347 out of 939 schools
(Top 50%)
(Top 50%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
55-59%
41%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
55-59%
50%
Showing 2012–2022. Full 13-year historical data available below ↓
Student-Teacher Ratio
12:1
12:1
Showing 2015–2025. Full 39-year historical data available below ↓
Asian
1%
5%
Showing 2015–2025. Full 38-year historical data available below ↓
Hispanic
12%
32%
Showing 2015–2025. Full 37-year historical data available below ↓
Black
1%
12%
Showing 2015–2025. Full 38-year historical data available below ↓
White
82%
46%
Showing 2015–2025. Full 38-year historical data available below ↓
Two or more races
4%
5%
Showing 2015–2025. Full 15-year historical data available below ↓
All Ethnic Groups
Showing 2015–2025. Full 38-year historical data available below ↓
Chronically Absent Students
(22-23)10.4%
19.3%
Eligible for Free Lunch
15%
38%
Showing 2015–2025. Full 34-year historical data available below ↓
Eligible for Reduced Lunch
3%
6%
Showing 2015–2025. Full 27-year historical data available below ↓
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Mary R. Tisko School's ranking?
Mary R. Tisko School is ranked #347 out of 939 schools, which ranks it among the top 50% of public schools in Connecticut.
What schools are Mary R. Tisko School often compared to?
Mary R. Tisko Schoolis often viewed alongside schools like Mary T. Murphy School, John B. Sliney School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
55-59% 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 Mary R. Tisko School?
365 students attend Mary R. Tisko School.
What is the racial composition of the student body?
82% of Mary R. Tisko School students are White, 12% of students are Hispanic, 4% of students are Two or more races, 1% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Mary R. Tisko School?
Mary R. Tisko School has a student ration of 12:1, which is equal to the Connecticut state average of 12:1.
What grades does Mary R. Tisko School offer ?
Mary R. Tisko School offers enrollment in grades Prekindergarten-4 (Supplemental Virtual).
What school district is Mary R. Tisko School part of?
Mary R. Tisko School is part of Branford School District.
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