Elementary school (grades K-5) · Larchmont, NY

Chatsworth Avenue School

Federal NCES profile for Chatsworth Avenue School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.

2024-25 NCES dataElementary school (grades K-5)NCES 361824001645
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Compiled from official source data by .
0/100100/10051/100
👥 S:T ratio
43
🌟 Gifted program
30
📋 Attendance
80
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Chatsworth Avenue School earns 51/100 on the Resource Investment Index, with class sizes larger than 82% of New York schools.

#2 of 4
public schools in Larchmont · Resource Index
51
Resource Index · Higher
14.2:1
large classes for New York
4.4%
free-lunch eligible

Chatsworth Avenue School has class sizes larger than 82% of New York schools. Computed live against every New York school reporting to NCES.

By Resource Investment Index, Chatsworth Avenue School ranks #2 of 4 public schools in Larchmont, NY.

School address

Larchmont, NY 10538
District: Mamaroneck Union Free School District · New York

NCES ID 361824001645 Verify on NCES CCD record →

CCD year-over-year · 2022-23 → 2023-24

+3 students YoY

Chatsworth Avenue School held near 636 students from 2022-23 to 2023-24 (+3 headcount).

Teacher FTE held 46.2 → 46.2 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Steady CCD campus

+3 students YoY 361824001645 · Larchmont, NY Elementary · MID · TRAD

652 enr · 14.2:1 · 4.4% lunch · RII 51

Nearest enrollment peer: Mamaroneck High School (1,764 students)

Chatsworth Avenue School held near 636 students from 2022-23 to 2023-24 (+3 headcount). Teacher FTE held 46.2 → 46.2 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →

Chatsworth Avenue School in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Chatsworth Avenue School reports 652 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Chatsworth Avenue School compares

Chatsworth Avenue 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 14.2:1 ▲ 20% 11.8:1 15.7:1
Free-lunch eligible 4.4% ▼ 92% 56.2% 51.7%
Enrollment 652 top 22% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

14.2:1
Leaner classes than 55% of US schools, a middle-of-the-pack class size.
652
Bigger than 77% of US schools by enrollment, mid-sized for the country.

Equity indicators methodology

Economic need
4.4%
free-lunch eligible - 92% 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
14.2:1
students per teacher - 20% above state mean
Top 82% in New York - lower ratio than 18% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
8.1%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

White 76.7%
Hispanic or Latino 9.8%
Two or More 8.8%
Asian 3.5%
African American 1.1%
Native Hawaiian / Pacific Islander 0.2%

Largest group: White at 76.7% of enrollment.

Student-body diversity index 39.3/100

Simpson diversity index - at 39.3, Chatsworth Avenue School is less mixed than the New York school average of 45.5.

Programs

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 Chatsworth Avenue School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Mamaroneck High School Larger Higher economic need Similar S:T ratio
Hommocks School Larger Higher economic need Lower S:T ratio
Murray Avenue School Similar size Similar economic need Similar S:T ratio
Mamaroneck Avenue School Similar size Higher economic need Lower S:T ratio
Central School Similar size Similar economic need Similar S:T ratio

Comparisons are relative to Chatsworth Avenue School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Mamaroneck Union Free School District · 5 sibling schools

View district profile

Nationwide elementary 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 (~652 students)

Similar student-teacher ratio (~14.2:1)

Frequently asked questions about Chatsworth Avenue School

How many students attend Chatsworth Avenue School?

Chatsworth Avenue School has 652 students enrolled. It is an elementary school in Larchmont, NY. CCD year-over-year: 633 (2022-23) → 636 (2023-24), nearly flat (+3).

What is the student-teacher ratio at Chatsworth Avenue School?

The student-teacher ratio at Chatsworth Avenue School is 14.2:1, which is 20% higher than the New York average of 11.8:1 and 10% lower than the national average of 15.7:1.

What percentage of students receive free lunch at Chatsworth Avenue School?

4.4% of students at Chatsworth Avenue School are eligible for free lunch, compared to the New York average of 56.2%.

What is the racial and ethnic makeup of Chatsworth Avenue School?

The largest demographic group at Chatsworth Avenue School is White at 76.7% of enrollment, in Larchmont, NY.

What is the Resource Investment Index for Chatsworth Avenue School?

Chatsworth Avenue School has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Chatsworth Avenue School rank among public schools in Larchmont?

By Resource Investment Index, Chatsworth Avenue School ranks #2 of 4 public schools in Larchmont, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.

What other schools are in Mamaroneck Union Free School District?

Besides Chatsworth Avenue School, Mamaroneck Union Free School District also operates Mamaroneck High School (1,764 students), Hommocks School (1,284 students), and Murray Avenue School (689 students). See the Mamaroneck Union Free School District district page for the complete list.

Read our methodology - how this data is sourced, computed, and verified.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Compiled from official source data by .