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B−

Mark T. Sheehan High School

PublicHighGrades 9–12

142 Hope Hill Road, Wallingford, CT 06492 · (203) 294-5900 · Part of Wallingford School District

Wallingford’s School Grade C+ better than 43% of Connecticut school districts

Directions
Students
673
Students per teacher
11:1
Free or reduced lunch
32%
Setting
Suburb
Grades
9–12
The gist

What stands out about Mark T. Sheehan High School

  • Its own letter, B−: better results than 46% of Connecticut’s public schools
  • Math proficiency 10 pts below the state
  • Small classes: 11 students per teacher
  • Enrollment down 11.4% since 2020–21

On the path

Where Wallingford kids come from and go next. The whole path →

6–82 middle schoolsDepends on your address
9–12Mark T. Sheehan High SchoolYou are here

Test scores

2020–21
Math proficiency28%
State average 37.9%
Reading / language arts53%
State average 50.7%

Its own letter, B−, places these results among Connecticut’s 920 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

142 Hope Hill Road, Wallingford

Students

Enrollment by grade
Grade 9137
Grade 10186
Grade 11174
Grade 12176
Enrollment over time
760’20
746’21
722’22
724’23
673’24

Down 11.4% since 2020–21.

Who goes here
White 65%Hispanic 22%Asian 6%Two or more races 4%Black 2%American Indian/Alaska Native <1%Native Hawaiian/Pacific Islander <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Mark T. Sheehan High School from Wallingford families.

Other schools in Wallingford School District

The district →
Cook Hill School
Elementary · Grades PK–2 · Wallingford
357 students12:1
Moses Y. Beach School
Elementary · Grades PK–2 · Wallingford
326 students12:1
Evarts C. Stevens School
Elementary · Grades PK–2 · Wallingford
301 students11:1
Highland School
Elementary · Grades PK–2 · Wallingford
292 students12:1
Parker Farms School
Elementary · Grades 2–5 · Wallingford
B−
268 students11:1
Rock Hill School
Elementary · Grades 3–5 · Wallingford
B
278 students11:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Connecticut’s other public schools; Wallingford’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.