Enrollment
605
New York · 2024-25 NCES data
Elementary school (grades K-5) · White Plains, NY
Federal NCES profile for Mamaroneck Avenue School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 69/100.
The verdict
Mamaroneck Avenue School earns 69/100 on the Resource Investment Index, with class sizes near the New York median. It is also more racially and ethnically mixed than most New York schools.
Mamaroneck Avenue School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Mamaroneck Avenue School ranks #1 of 8 elementary schools in White Plains, NY.
NCES ID 363126004181 Verify on NCES CCD record →
Enrollment
605
New York · 2024-25 NCES data
Teachers (FTE)
58.0
Federal CCD staff survey
Students per teacher
10.4:1
vs 11.8:1 New York avg
-12% vs state
Free-lunch eligible
39.4%
vs 56.2% New York avg
-30% vs state
How Mamaroneck Avenue School compares with New York and U.S. medians
At or below state median
10.4:1 - 1.4 below the New York state median of 11.8:1, indicating smaller average class loads than typical schools in the state.
Mamaroneck Avenue School is a mid-sized elementary school in White Plains, New York, enrolling 605 students.
Class sizes run a bit leaner than typical: 10.4:1 puts it in the smaller third of New York schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 39.4% of students eligible for free meals.
Enrollment of 605 puts it in the larger third of New York schools by headcount.
Its Resource Investment Index outscores 99% of the 4,801 New York schools with a score on record, a top-tier result on this measure.
Among 768 similarly sized, similarly resourced-need New York schools statewide, it ranks #1, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (44%) and White (32%), more mixed than most schools in the state (diversity index 69/100).
Attendance holds up well here: only 8.6% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding White Plains City School District spends $31,766 per pupil, 20% above the New York average, a better-resourced district than most.
White Plains City School District also operates White Plains Senior High School (2,239 students) and White Plains Middle School (1,537 students) alongside Mamaroneck Avenue School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Mamaroneck Avenue School on the metrics families compare, against New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.4:1 | ▼ 12% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 39.4% | ▼ 30% | 56.2% | 51.7% |
| Enrollment | 605 | top 26% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: Hispanic or Latino at 43.5% of enrollment.
Simpson diversity index - at 68.6, Mamaroneck Avenue School is more mixed than the New York school average of 45.5.
District-wide per-pupil expenditure for White Plains City School District, which includes Mamaroneck Avenue School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| White Plains Senior High School | Larger | Higher economic need | Higher S:T ratio |
| White Plains Middle School | Larger | Similar economic need | Similar S:T ratio |
| Post Road School | Similar size | Higher economic need | Higher S:T ratio |
| George Washington School | Similar size | Higher economic need | Similar S:T ratio |
| Ridgeway School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Mamaroneck Avenue School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Mamaroneck Avenue School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Mamaroneck Avenue School has 605 students enrolled. It is an elementary school in White Plains, NY.
The student-teacher ratio at Mamaroneck Avenue School is 10.4:1, which is 12% lower than the New York average of 11.8:1 and 34% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
39.4% of students at Mamaroneck Avenue School are eligible for free lunch, compared to the New York average of 56.2%.
The largest demographic group at Mamaroneck Avenue School is Hispanic or Latino at 43.5% of enrollment, in White Plains, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.6/100.
Mamaroneck Avenue School has a Resource Investment Index of 69/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Mamaroneck Avenue School ranks #1 of 8 elementary schools in White Plains, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in White Plains on the city page.
Mamaroneck Avenue School earns 69/100 on the Resource Investment Index, with class sizes near the New York median. It is also more racially and ethnically mixed than most New York schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Mamaroneck Avenue School, White Plains City School District also operates White Plains Senior High School (2,239 students), White Plains Middle School (1,537 students), and Post Road School (605 students). See the White Plains City School District district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Mamaroneck Avenue School, White Plains NY.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/mamaroneck-avenue-school-ny-2
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