Average
#462 of 990 schools in CT
Top 47% in state
Mark T. Sheehan High School
High School · Wallingford School District
142 Hope Hill Road, Wallingford, CT 06492
Enrollment
724
Student-Teacher
11.5:1
Score
6.6
Grades
9th – 12th
Enrollment
724
Student-Teacher
11.5:1
Score
6.6
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Connecticut schools
#462 of 990
In Wallingford
#5 of 11
public schools
In district
#6 of 12
Wallingford School District
School environment
8.7 / 10
Excellent
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Mark T. Sheehan High School
High School in Wallingford · grades 9th – 12th. Start here, then compare fit against nearby and district options.
James H. Moran Middle School
0.2 mi away. Use as a geographic alternative in the same move search.
Highland School
0.3 mi away. Use as a geographic alternative in the same move search.
About Mark T. Sheehan High School
Mark T. Sheehan High School is a public high school in Wallingford, CT, part of Wallingford School District. Mark T.
Sheehan High School serves approximately 724 students, and covers grades 9th-12th, and has a 11.5:1 student-teacher ratio. Mark T. Sheehan High School has a current MySchoolScout rating of 6.6 out of 10 and ranks #462 of 990 schools in CT.
Structured state assessment records for Mark T. Sheehan High School show 54% math proficiency (multi-year average, 2009-2022) and 73% reading/ELA proficiency (multi-year average, 2009-2022).
- This school 6.6 · Average
- District avg 6.4
- CT avg 6.1
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
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Mark T. Sheehan High School — Students at Mark T. Sheehan High School score 52% proficient, which is below what's typical for similar communities (expected: 57%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
30.1%
Students qualifying for federal meal assistance
Test Scores CT EDFACTS (2021-22)
Based on 26 test records from CT state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 4.8/10.
How Mark T. Sheehan High School Compares
See how Mark T. Sheehan High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
142 Hope Hill Road, Wallingford, CT 06492
Nearby Alternatives
Families considering Mark T. Sheehan High School may also want to explore other high schools in the area. CHOATE ROSEMARY HALL (rated 6.5/10, 2.2 miles away), with a very similar rating. Another option is Lyman Hall High School (rated 6.2/10, 3.4 miles away), with a comparable rating. Additionally, H. C. Wilcox Technical High School (rated 5.5/10, 3.0 miles away, in nearby Meriden), a more accessible option. For more schools in Wallingford, see our Wallingford schools guide .
Nearby Schools
20 within 3.7 mi| School | Distance | Rating |
|---|---|---|
| James H. Moran Middle School Wallingford | 0.2 mi | 4.7 |
| Highland School Wallingford | 0.3 mi | 9.0 |
| Parker Farms School Wallingford | 0.8 mi | 6.6 |
| Mary G. Fritz Elementary School of Yalesville Yalesville | 0.7 mi | 7.0 |
| BENHAVEN SCHOOL Wallingford | 1.0 mi | 7.6 |
| BENHAVEN ACADEMY Wallingford | 1.0 mi | 5.0 |
| B.E.S.T. ACADEMY Walenford | 1.7 mi | 5.9 |
| HIGH ROAD SCHOOL OF WALLINGFORD-HS Wallingford | 1.7 mi | 5.6 |
| Moses Y. Beach School Wallingford | 2.1 mi | 8.8 |
| Hanover School Meriden | 2.3 mi | 7.7 |
| HOLY TRINITY SCHOOL Wallingford | 2.3 mi | 5.5 |
| CHOATE ROSEMARY HALL Wallingford | 2.2 mi | 6.5 |
| Cook Hill School Wallingford | 2.3 mi | 9.3 |
| H. C. Wilcox Technical High School Meriden | 3.0 mi | 5.5 |
| BOULDER KNOLL MONTESSORI SCHOOL Cheshire | 2.5 mi | — |
| Casimir Pulaski School Meriden | 3.1 mi | 6.3 |
| Orville H. Platt High School Meriden | 3.4 mi | 4.3 |
| Lyman Hall High School Wallingford | 3.4 mi | 6.2 |
| Lincoln Middle School Meriden | 3.6 mi | 5.3 |
| Dag Hammarskjold Middle School Wallingford | 3.7 mi | 4.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 06492 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$101,757
Median Home Value
$328,400
Median Rent
$1,346/mo
Population
44,099
College Educated
39%
Homeownership
72.3%
Avg Commute
24.1 min
Poverty Rate
5.7%
Median Age
43.8
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Nonnewaug High School Woodbury, CT | 6.6 |
| CHOATE ROSEMARY HALL Wallingford, CT | 6.5 |
| Cromwell High School Cromwell, CT | 6.5 |
| Lewis S. Mills High School Burlington, CT | 6.5 |
| Montville High School Oakdale, CT | 6.7 |
| Bacon Academy Colchester, CT | 6.4 |
Frequently Asked Questions
Common questions about Mark T. Sheehan High School
What grades does Mark T. Sheehan High School serve?
Mark T. Sheehan High School serves students in grades 9th through 12th.
How many students attend Mark T. Sheehan High School?
Mark T. Sheehan High School has an enrollment of approximately 724 students.
What is the student-teacher ratio at Mark T. Sheehan High School?
The student-teacher ratio at Mark T. Sheehan High School is 11.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mark T. Sheehan High School rank in CT?
Mark T. Sheehan High School ranks #462 of 990 schools in CT.
What is Mark T. Sheehan High School's MySchoolScout rating?
Mark T. Sheehan High School has a current MySchoolScout rating of 6.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Mark T. Sheehan High School?
Based on loaded state assessment records, Mark T. Sheehan High School has 54% math proficiency (multi-year average, 2009-2022) and 73% reading/ELA proficiency (multi-year average, 2009-2022).
Is Mark T. Sheehan High School a charter school?
No, Mark T. Sheehan High School is not a charter school. It is a traditional public school operated by the local school district.
Is Mark T. Sheehan High School a Title I school?
No, Mark T. Sheehan High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mark T. Sheehan High School?
30.1% of students at Mark T. Sheehan High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
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Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 724
- Student-Teacher Ratio
- 11.5:1
- Teachers (FTE)
- 63
- Free/Reduced Lunch
- 30.1%
- Type
- regular
- Setting
- Large Suburb
- County
- Connecticut Planning Region 7
- Chronic Absenteeism (SY 2022-23)
- 12.3%
- Phone
- (203) 294-5900
- 4-Year Graduation
- 95%+
Resources & Links
District
Wallingford School District- District Enrollment
- 5,292
- Schools in District
- 12
- Per-Pupil Spending
- $26,268
- District Rank
- #6 of 12
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