- Enrollment
- 1,494
- Students per teacher
- 13.3:1
- Resource Index
- 32/100
High school (grades 9-12) · Norwalk, CT
Brien Mcmahon High School
Federal NCES profile for Brien Mcmahon High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090309000638
👥 S:T ratio 42
🌟 Gifted program 30
🎓 Counselors 65
📋 Attendance 30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Brien Mcmahon High School earns 42/100 on the Resource Investment Index, with class sizes larger than 89% of Connecticut schools. It is also one of the largest schools in Connecticut.
- #3 of 4
- high schools in Norwalk · Resource Index
- 42
- Resource Index · Typical
- 14.6:1
- large classes for Connecticut
- 38.3%
- free-lunch eligible
Brien Mcmahon High School has class sizes larger than 89% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Brien Mcmahon High School ranks #3 of 4 high schools in Norwalk, CT.
School address
District: Norwalk School District · Connecticut
NCES ID 090309000638 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+55 students YoY
Brien Mcmahon High School held near 1,766 students from 2022-23 to 2023-24 (+55 headcount).
Teacher FTE lost 119.0 → 115.4 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+55 students YoY 090309000638 · Norwalk, CT High · MID · TRAD
1,739 enr · 14.6:1 · 38.3% lunch · RII 42
Nearest enrollment peer: Norwalk High School (1,494 students)
Brien Mcmahon High School held near 1,766 students from 2022-23 to 2023-24 (+55 headcount). Teacher FTE lost 119.0 → 115.4 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Brien Mcmahon High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Brien Mcmahon High School
1,739 students
- Norwalk High S
Norwalk High School
1,494 students
- West Rocks Mid 657
West Rocks Middle School
657 students
- Ponus Ridge St 637
Ponus Ridge Steam Academy
637 students
- Nathan Hale Mi 499
Nathan Hale Middle School
499 students
- Roton Middle S 463
Roton Middle School
463 students
What this shows Brien Mcmahon High School reports 1,739 students on the CCD universe file.
How Brien Mcmahon High School compares
Brien Mcmahon High School held steady on CCD headcount: ratios and free-lunch share vs Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.6:1 | ▲ 21% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 38.3% | ▲ 5% | 36.4% | 51.7% |
| Enrollment | 1,739 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.6:1
Leaner classes than 51% of US schools, a middle-of-the-pack class size.
1,739
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
38.3%
free-lunch eligible
- 5% above the Connecticut average of 36.4%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.6:1
students per teacher
- 21% above state mean
Top 89% in Connecticut - lower ratio than 11% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
28.1%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$26,420
per pupil, district-wide
- above Connecticut avg of $24,680
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors10.0 FTE
Per 174 students, the combined health-and-guidance staffing load for this school.
Discipline context
106
in-school suspensions + 110 out-of-school
Suspension rate: 6.1 per 100 students. Combined in-school and out-of-school rate: 12.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 8 expulsions.
Student demographics
Hispanic or Latino 62.1%
White 18.6%
African American 13.0%
Asian 3.9%
Two or More 2.0%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 62.1% of enrollment.
Student-body diversity index 56.1/100
Simpson diversity index - at 56.1, Brien Mcmahon High School is more mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 27
District finance for Norwalk School District reports $26,420 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Brien Mcmahon High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Norwalk High School | Similar size | Similar economic need | Similar S:T ratio |
| West Rocks Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Ponus Ridge Steam Academy | Smaller | Similar economic need | Lower S:T ratio |
| Nathan Hale Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Roton Middle School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Brien Mcmahon High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 657
- Students per teacher
- 10.6:1
- Resource Index
- 59/100
- Enrollment
- 637
- Students per teacher
- 10.8:1
- Resource Index
- 49/100
- Enrollment
- 499
- Students per teacher
- 10.8:1
- Resource Index
- 52/100
- Enrollment
- 463
- Students per teacher
- 10.1:1
- Resource Index
- 52/100
Similar high schools in Norwalk
3 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,739 students)
Frequently asked questions about Brien Mcmahon High School
How many students attend Brien Mcmahon High School?
Brien Mcmahon High School has 1,739 students enrolled. It is a high school in Norwalk, CT. CCD year-over-year: 1,711 (2022-23) → 1,766 (2023-24), nearly flat (+55).
What is the student-teacher ratio at Brien Mcmahon High School?
The student-teacher ratio at Brien Mcmahon High School is 14.6:1, which is 21% higher than the Connecticut average of 12.1:1 and 7% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Brien Mcmahon High School?
38.3% of students at Brien Mcmahon High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Brien Mcmahon High School?
The largest demographic group at Brien Mcmahon High School is Hispanic or Latino at 62.1% of enrollment, in Norwalk, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.1/100.
What is the Resource Investment Index for Brien Mcmahon High School?
Brien Mcmahon High School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Brien Mcmahon High School rank among high schools in Norwalk?
By Resource Investment Index, Brien Mcmahon High School ranks #3 of 4 high schools in Norwalk, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Norwalk on the city page.
What other schools are in Norwalk School District?
Besides Brien Mcmahon High School, Norwalk School District also operates Norwalk High School (1,494 students), West Rocks Middle School (657 students), and Ponus Ridge Steam Academy (637 students). See the Norwalk School District district page for the complete list.