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Brien McMahon High School

300 Highland Avenue, Norwalk, CT 06854

CSchola Grade
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Grades
9–12
High
Students
1,739
Enrolled 2024–25
Students per teacher
14.7 : 1
Full-time teachers
District
Norwalk School District
Western Connecticut Planning Region

Schola Grade C · Average

Letter grade (A–F) · compared with 194 Connecticut high schools · How we grade
Test scores36% proficient in math & reading
41stpercentile
Equity22% of low-income students proficient
37thpercentile
Attendance30% chronically absent
25thpercentile
Graduation rate89% graduate in 4 years
35thpercentile
College readinessAt least 18% take AP, IB or dual-enrollment courses
28thpercentile
Class size14.7 students per teacher
10thpercentile

Percentiles compare this school with other Connecticut high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Brien McMahon High School

Brien McMahon High School is a public high school in Norwalk, Connecticut, serving grades 9–12. It is part of Norwalk School District. The school is located in a large suburb in Western Connecticut Planning Region.

In the 2024–25 school year, 1,739 students were enrolled, with about 14.7 students for every full-time teacher. That ratio is larger than the typical Connecticut high school (11.1 students per teacher). Its Schola Grade is C (average), compared with 194 Connecticut high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

300 Highland Avenue
Norwalk, CT 06854
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
1,739 students
Students per teacher
14.7 to 1
AP courses offered
11
Charter school
No
Magnet school
No
Virtual learning
Offers virtual courses
Locale
Suburb — Large
School district
Norwalk School District
County
Western Connecticut Planning Region
NCES school ID
090309000638

Schools near Brien McMahon High School

All 25 schools in Norwalk →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.