Mark T. Sheehan High School serves 760 students in grades 9-12.
Mark T. Sheehan High School placed in the bottom 50% of all schools in Connecticut for overall test scores (math proficiency is bottom 50%, and reading proficiency is top 50%) for the 2020-21 school year.
The percentage of students achieving proficiency in math is 28% (which is lower than the Connecticut state average of 39%) for the 2020-21 school year. The percentage of students achieving proficiency in reading/language arts is 53% (which is higher than the Connecticut state average of 51%) for the 2020-21 school year.
The student:teacher ratio of 11:1 is lower than the Connecticut state level of 12:1.
Minority enrollment is 29% of the student body (majority Hispanic), which is lower than the Connecticut state average of 50% (majority Hispanic).
Quick Stats (2023)
- Grades: 9-12
- Enrollment: 760 students
- Student:Teacher Ratio: 11:1
- Minority Enrollment: 29%
- Graduation Rate: ≥95% (Top 20% in CT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 28% (Btm 50%)
- Reading Proficiency: 53% (Top 50%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
Mark T. Sheehan High School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Graduation Rate
Student Attention
School Overview
Mark T. Sheehan High School's student population of 760 students has declined by 7% over five school years.
The teacher population of 72 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
760 students
Gender %
Total Classroom Teachers
72 teachers
Students by Grade
School Rankings
Mark T. Sheehan High School is ranked within the bottom 50% of all 940 schools in Connecticut (based off of combined math and reading proficiency testing data) for the 2020-21 school year.
The diversity score of Mark T. Sheehan High School is 0.46, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#507 out of 940 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
28%
39%
Reading/Language Arts Test Scores (% Proficient)
53%
51%
Student : Teacher Ratio
11:1
12:1
American Indian
n/a
n/a
Asian
6%
5%
Hispanic
18%
28%
Black
2%
13%
White
71%
50%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
≥95%
90%
Eligible for Free Lunch
20%
36%
Eligible for Reduced Lunch
5%
6%
School Statewide Testing
School District Name
Source: 2020-2021 (latest school year available) National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Mark T. Sheehan High School's ranking?
Mark T. Sheehan High School is ranked #507 out of 940 schools, which ranks it among the bottom 50% of public schools in Connecticut.
What schools are Mark T. Sheehan High School often compared to?
Mark T. Sheehan High Schoolis often viewed alongside schools like Lyman Hall High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
28% of students have achieved math proficiency (compared to the 39% CT state average), while 53% of students have achieved reading proficiency (compared to the 51% CT state average).
What is the graduation rate of Mark T. Sheehan High School?
The graduation rate of Mark T. Sheehan High School is 95%, which is higher than the Connecticut state average of 90%.
How many students attend Mark T. Sheehan High School?
760 students attend Mark T. Sheehan High School.
What is the racial composition of the student body?
71% of Mark T. Sheehan High School students are White, 18% of students are Hispanic, 6% of students are Asian, 3% of students are Two or more races, and 2% of students are Black.
What is the student:teacher ratio of Mark T. Sheehan High School?
Mark T. Sheehan High School has a student ration of 11:1, which is lower than the Connecticut state average of 12:1.
What grades does Mark T. Sheehan High School offer ?
Mark T. Sheehan High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Mark T. Sheehan High School part of?
Mark T. Sheehan High School is part of Wallingford School District.
School Reviews
5 7/10/2008
very good teachersa nd art/music programs. Good for fostering student growth and community. Lots of sports and activities.clubs for everyone!
Review Mark T. Sheehan High School. Reviews should be a few sentences in length. Please include any comments on:
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