- Enrollment
- 1,284
- Students per teacher
- 11.2:1
- Resource Index
- 54/100
High school (grades 9-12) · Mamaroneck, NY
Mamaroneck High School
Federal NCES profile for Mamaroneck High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 361824001648
👥 S:T ratio 45
🌟 Gifted program 30
🎓 Counselors 61
📋 Attendance 53
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mamaroneck High School earns 47/100 on the Resource Investment Index, with class sizes larger than 79% of New York schools. It is also one of the largest schools in New York.
- #3 of 6
- public schools in Mamaroneck · Resource Index
- 47
- Resource Index · Typical
- 13.8:1
- large classes for New York
- 21.5%
- free-lunch eligible
Mamaroneck High School has class sizes larger than 79% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Mamaroneck High School ranks #3 of 6 public schools in Mamaroneck, NY.
School address
District: Mamaroneck Union Free School District · New York
NCES ID 361824001648 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+36 students YoY
Mamaroneck High School held near 1,696 students from 2022-23 to 2023-24 (+36 headcount).
Teacher FTE lost 128.5 → 125.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+36 students YoY 361824001648 · Mamaroneck, NY High · MID · TRAD
1,764 enr · 13.8:1 · 21.5% lunch · RII 47
Nearest enrollment peer: Hommocks School (1,284 students)
Mamaroneck High School held near 1,696 students from 2022-23 to 2023-24 (+36 headcount). Teacher FTE lost 128.5 → 125.9 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Mamaroneck High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Mamaroneck High School
1,764 students
- Hommocks Schoo
Hommocks School
1,284 students
- Murray Avenue 689
Murray Avenue School
689 students
- Chatsworth Ave 652
Chatsworth Avenue School
652 students
- Mamaroneck Ave 611
Mamaroneck Avenue School
611 students
- Central School 520
Central School
520 students
What this shows Mamaroneck High School reports 1,764 students on the CCD universe file.
How Mamaroneck High School compares
Mamaroneck High School held steady on CCD headcount: ratios and free-lunch share vs New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.8:1 | ▲ 17% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 21.5% | ▼ 62% | 56.2% | 51.7% |
| Enrollment | 1,764 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.8:1
Leaner classes than 59% of US schools, a middle-of-the-pack class size.
1,764
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
21.5%
free-lunch eligible
- 62% below the New York average of 56.2%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.8:1
students per teacher
- 17% above state mean
Top 79% in New York - lower ratio than 21% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
18.6%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$25,673
per pupil, district-wide
- below New York avg of $28,120
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors9.0 FTE
Per 196 students, the combined health-and-guidance staffing load for this school.
Discipline context
19
in-school suspensions + 34 out-of-school
Suspension rate: 1.1 per 100 students. Combined in-school and out-of-school rate: 3.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 62.8%
Hispanic or Latino 26.4%
Two or More 4.3%
African American 3.2%
Asian 3.1%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 62.8% of enrollment.
Student-body diversity index 53.2/100
Simpson diversity index - at 53.2, Mamaroneck High School is more mixed than the New York school average of 45.5.
Programs
AP courses offered 21
District finance for Mamaroneck Union Free School District reports $25,673 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mamaroneck High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hommocks School | Smaller | Similar economic need | Lower S:T ratio |
| Murray Avenue School | Smaller | Lower economic need | Higher S:T ratio |
| Chatsworth Avenue School | Smaller | Lower economic need | Similar S:T ratio |
| Mamaroneck Avenue School | Smaller | Higher economic need | Lower S:T ratio |
| Central School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Mamaroneck High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 689
- Students per teacher
- 15.3:1
- Resource Index
- 50/100
- Enrollment
- 652
- Students per teacher
- 14.2:1
- Resource Index
- 51/100
- Enrollment
- 611
- Students per teacher
- 9.3:1
- Resource Index
- 43/100
- Enrollment
- 520
- Students per teacher
- 13.3:1
- Resource Index
- 50/100
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 (~1,764 students)
Frequently asked questions about Mamaroneck High School
How many students attend Mamaroneck High School?
Mamaroneck High School has 1,764 students enrolled. It is a high school in Mamaroneck, NY. CCD year-over-year: 1,660 (2022-23) → 1,696 (2023-24), nearly flat (+36).
What is the student-teacher ratio at Mamaroneck High School?
The student-teacher ratio at Mamaroneck High School is 13.8:1, which is 17% higher than the New York average of 11.8:1 and 12% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Mamaroneck High School?
21.5% of students at Mamaroneck High School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Mamaroneck High School?
The largest demographic group at Mamaroneck High School is White at 62.8% of enrollment, in Mamaroneck, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.2/100.
What is the Resource Investment Index for Mamaroneck High School?
Mamaroneck High School has a Resource Investment Index of 47/100 (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 Mamaroneck High School rank among public schools in Mamaroneck?
By Resource Investment Index, Mamaroneck High School ranks #3 of 6 public schools in Mamaroneck, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mamaroneck on the city page.
What other schools are in Mamaroneck Union Free School District?
Besides Mamaroneck High School, Mamaroneck Union Free School District also operates Hommocks School (1,284 students), Murray Avenue School (689 students), and Chatsworth Avenue School (652 students). See the Mamaroneck Union Free School District district page for the complete list.