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#649 of 990 schools in CT

Brien Mcmahon High School

High School · Norwalk School District · Norwalk, CT

A Norwalk School District high school where students score 7 points below what's typical for similar communities.

300 Highland Avenue, Norwalk, CT 06854

  • Math 28% proficient (2022)
  • Reading 43% proficient (2022)
  • 90.0% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress5.2Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data13
Annual Change-3.49 pts/yr
Data Period2009–2022
TrendDeclining
Academics4.8Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency28% (2022 EdFacts)
Reading/ELA Proficiency43% (2022 EdFacts)
Overall Proficiency36% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)42% (model expectation from 2022 EdFacts)
vs. Expected-6.7 pts
Adjusted Percentile30th
College Readiness8.0Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate90%
AP Participation17.4%
IB ProgramYes
Resources & Environment3.1Needs Improvement20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio15.4:1
District spending per student$26,673
Chronic Absenteeism28.8%

Students at Brien Mcmahon High School score 36% proficient, which is below what's typical for similar communities (expected: 42%).

How we calculate scores →

2022 EdFacts proficiency

Most recent published year. School vs. CT average.

Math Proficiency28%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)
ELA Proficiency43%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)

Trend

→ Steady

Proficiency is down 43 points across the 14-year record (2009–2022) and has held near 36% recently.

Show all 13 years
2009
Math
75%
ELA
81%
2010
Math
73%
ELA
78%
2011
Math
69%
ELA
75%
2012
Math
74%
ELA
76%
2014
Math
17%
ELA
32%
2015
Math
31%
ELA
59%
2016
Math
26%
ELA
51%
2017
Math
26%
ELA
45%
2018
Math
30%
ELA
49%
2019
Math
30%
ELA
49%
2020*
Math
30%
ELA
58%
2021*
Math
30%
ELA
58%
2022
Math
28%
ELA
43%

Multi-year averages used by the rating model: math 42% (multi-year average, 2009-2022) · reading/ELA 58% (multi-year average, 2009-2022)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 26 test records from CT state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

49.2%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Brien Mcmahon High School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 27Car-Dependent
  • Transit 35Some Transit
  • Bike 31Somewhat Bikeable
  • City Safety: High1,589/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Norwalk), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$86,399

Median home value

$453,400

Median rent

$1,898/mo

College educated

35.9%

Homeownership

46.5%

Poverty rate

14.3%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 06854; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

AP/IB Programs3AP courses offeredIB Programme
17.4% participation·State avg: 3 AP courses·296 IB enrolled·CRDC via Urban Institute · SY 2021–22
Athletics24sports offered
12 boys'·12 girls'·40 teams (incl. JV)·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses5of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Center for Global StudiesEnrollment path unverified8.99–120.0 mi284Compare →
Darien High SchoolEnrollment path unverified9.49–123.0 mi1,398Compare →
Norwalk High SchoolEnrollment path unverified4.29–123.4 mi1,547Compare →
P-tech NorwalkEnrollment path unverified7.29–123.4 mi380Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Norwalk School District

Schools in district
22
Rank in district
#12 of 22
District spending per student
$26,673NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
14.9%Census SAIPE · 2024

Brien Mcmahon High School is listed in Norwalk School District; a district label does not verify attendance for an address.

About Brien Mcmahon High School

Brien Mcmahon High School is a public high school in Norwalk, CT, part of Norwalk School District, serving approximately 1,766 students in grades 9th-12th with a 15.4:1 student-teacher ratio. It holds a MySchoolScout rating of 5.5 out of 10 and ranks #649 of 990 schools in CT. State assessment records show 42% math proficiency (multi-year average, 2009-2022) and 58% reading/ELA proficiency (multi-year average, 2009-2022).

Frequently asked questions

Common questions about Brien Mcmahon High School

What grades does Brien Mcmahon High School serve?

Brien Mcmahon High School serves students in grades 9th through 12th.

How many students attend Brien Mcmahon High School?

Brien Mcmahon High School has an enrollment of approximately 1,766 students.

What is the student-teacher ratio at Brien Mcmahon High School?

The student-teacher ratio at Brien Mcmahon High School is 15.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Brien Mcmahon High School rank in CT?

Brien Mcmahon High School ranks #649 of 990 schools in CT.

What is Brien Mcmahon High School's MySchoolScout rating?

Brien Mcmahon High School has a current MySchoolScout rating of 5.5 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 Brien Mcmahon High School?

Based on loaded state assessment records, Brien Mcmahon High School has 42% math proficiency (multi-year average, 2009-2022) and 58% reading/ELA proficiency (multi-year average, 2009-2022).

Is Brien Mcmahon High School a charter school?

No, Brien Mcmahon High School is not a charter school. It is a traditional public school operated by the local school district.

Is Brien Mcmahon High School a Title I school?

No, Brien Mcmahon High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Brien Mcmahon High School?

49.2% of students at Brien Mcmahon 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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
1,766
Student-Teacher Ratio
15.4:1
Teachers (FTE)
115
Type
regular
Setting
Large Suburb
County
Connecticut Planning Region 9
Chronic Absenteeism (SY 2022-23)
28.8%
4-Year Graduation
90.0%
Area population (ZIP 06854)
31,753
Area average commute
26.4 min
Area median age
36.8
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 06854; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2022; directory SY 2023–24

About our data · How we calculate scores

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