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What's the biggest difference between CHATSWORTH AVENUE SCHOOL and what you expected?
Community prompt from u/allk12. Replies below.
Enrollment
652
Elementary
DISTRICT 618 · STATE 443
SCHOOL COMMUNITY·MAMARONECK UNION FREE SCHOOL DISTRICT·NCES 361824001645
CHATSWORTH AVENUE SCHOOL
34 CHATSWORTH AVE, LARCHMONT, NY 10538 · (914) 220-3500 · Westchester County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL652 STUDENTS
A
allk12 Grade
Scored higher than 93% of New York public elementary schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New York public elementary schools
Student : Teacher
13.4:1
49 FTE teachers
DISTRICT 12.4:1 · STATE 12.8:1
Free / Reduced Lunch
6%
36 students
DISTRICT 19% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 104 | 16% |
| Grade 1 | 115 | 18% |
| Grade 2 | 102 | 16% |
| Grade 3 | 96 | 15% |
| Grade 4 | 113 | 17% |
| Grade 5 | 122 | 19% |
This year's kindergarten class (104) is 15% smaller than its 5th grade class (122).
Student demographics
39%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 53% · STATE 72% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Based on grade levels within MAMARONECK UNION FREE SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.
Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)English Language Arts
90.0%
NY avg 58.3% . +9.0pp since 2023
Math
89.0%
NY avg 57.4% . +0.0pp since 2023
What this means: On the NYS Assessments, New York's statewide test, about 90 of every 100 students at this school read and write at grade level and about 89 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are up about 9 points since 2023, while math scores have held steady.
NYS Assessments results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 90.0% | 89.0% |
| 2023-24 | 81.0% | 89.0% |
% Proficient (Level 3 + Level 4), all students and all tested grades.
Source: NYS Assessments. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
85.4%
composite math + reading, all grades
Predicted
73.0%
based on NY schools with similar FRL share
Beats by
+12.5pp
above demographic expectation
What this means: About 85% of students here test proficient in math and reading, compared with the roughly 73% typical for New York schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New York's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like CHATSWORTH AVENUE SCHOOL
CHATSWORTH AVENUE SCHOOL's state test result (85.4% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| CHATSWORTH AVENUE SCHOOL this school | 652 | 5.5% | 85.4% |
| NORMAN J LEVY LAKESIDE SCHOOL MERRICK | 644 | 6.4% | 75.8% |
| MURRAY AVENUE SCHOOL LARCHMONT | 689 | 2.0% | 84.4% |
| BIRCH SCHOOL MERRICK | 588 | 6.1% | 76.2% |
| WANTAGH SCHOOL WANTAGH | 672 | 8.9% | 59.2% |
| BRONXVILLE ELEMENTARY SCHOOL BRONXVILLE | 688 | 4.5% | 84.0% |
Matched among New York elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where CHATSWORTH AVENUE SCHOOL ranks
Among elementary schools| Measure | This school | In New York | In Westchester County |
|---|---|---|---|
| State test proficiency ranked highest first | 85.4% | #88 of 2,335 | #11 of 120 |
| Math proficiency ranked highest first | 89.0% | #155 of 2,342 ▼ 29 | #16 of 127 ▼ 2 |
| Reading proficiency ranked highest first | 90.0% | #87 of 2,343 ▲ 15 | #11 of 127 ▲ 6 |
| Enrollment ranked largest first | 652 | #356 of 2,585 | #14 of 146 |
| Students per teacher ranked fewest first | 13.4:1 | #1,748 of 2,338 | #98 of 141 |
| Diversity index ranked most diverse first | 39.4% | #1,626 of 2,388 | #119 of 141 |
| Free and reduced lunch ranked highest share first | 5.5% | #2,484 of 2,534 | #120 of 137 |
| Enrollment change since 2017-18 ranked steepest decline first | -10.2% | #1,132 of 1,757 | #43 of 100 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
652
-14 (-2%) vs 2020
+30% since 1990-91, when it was 501
Student : Teacher
13.4:1
was 14.5:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 652 | 48.5 | 13.4:1 | 6% (36) |
| 2023-24 | 636 | 46.2 | 13.8:1 | 6% (41) |
| 2022-23 | 633 | 46.2 | 13.7:1 | 5% (32) |
| 2020-21 | 666 | 46 | 14.5:1 | 4% (25) |
| 2017-18 | 726 | 42.9 | 16.9:1 | 5% (37) |
| 2015-16 | 682 | 41 | 16.6:1 | 5% (36) |
| 2010-11 | 643 | 42 | 15.3:1 | 4% (28) |
| 2000-01 | 590 | 40 | 14.8:1 | 0% (0) |
| 1990-91 | 501 | 36 | 13.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for CHATSWORTH AVENUE SCHOOL.
About CHATSWORTH AVENUE SCHOOL
Families in LARCHMONT, New York, are served by CHATSWORTH AVENUE SCHOOL, a mid-sized elementary school. It teaches 652 students in kindergarten through 5. Elementary schools in New York have about 443 students on average; enrollment here is 47% higher.
MAMARONECK UNION FREE SCHOOL DISTRICT serves 5,520 students across 6 schools.
Of every 100 students at CHATSWORTH AVENUE SCHOOL, about 77 are White. The school is also 10% Hispanic, 9% multiracial, and 4% Asian. The White share of the county population is lower, at 52%. The diversity index for CHATSWORTH AVENUE SCHOOL is 39%. For US public schools as a whole it is 70%.
Its staff includes 48.5 full-time-equivalent teachers, for about 13.4 students per teacher. That is in line with the 12.8:1 average for elementary schools in New York. Roughly 6% of students at CHATSWORTH AVENUE SCHOOL can receive free or reduced-price lunch. Compared with the 38% average for public schools in Westchester County, the school's rate is lower.
Among New York public elementary schools, CHATSWORTH AVENUE SCHOOL outscored 93%, which works out to an A on the allk12 Grade.
CHATSWORTH AVENUE SCHOOL's average proficiency rate across its state test results of 85.4% is 12.5 points above the 73.0% the model predicts from its lunch-eligibility share.
Five-year Census Bureau estimates for Westchester County show that median household income comes to about $118,976, a bachelor's degree or higher is held by about 53% of adults, and the poverty rate is about 6%. The county's public schools total 255, with about 140,968 students.
HOMMOCKS SCHOOL, about 0.5 miles away, is the closest public school. A five-mile radius around the school includes at least 8 other public schools. On state test proficiency, CHATSWORTH AVENUE SCHOOL ranks 1st in a group of 8 nearby schools.
Locale data from NCES put CHATSWORTH AVENUE SCHOOL in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more (Suburb: Large).
The school's size has been steady, with 666 students in 2020-21 and 652 in 2024-25. The number of students per teacher dropped from 14.5 to 13.4 over 4 years.
Parents, students, and staff can share information on athletics, class schedules, and weather closures here. Members of the school community can share what they know.
Westchester County at a glance
View full county profilePopulation
999,677
Census ACS
Median income
$118,976
Household, ACS
Bachelor's+
53%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
255
140,968 students
Quick facts
Related schools
Other schools in MAMARONECK UNION FREE SCHOOL DISTRICT
- MAMARONECK HIGH SCHOOLHigh · 1,764 students
- HOMMOCKS SCHOOLMiddle · 1,284 students
- MURRAY AVENUE SCHOOLElementary · 689 students
- MAMARONECK AVENUE SCHOOLElementary · 611 students
- CENTRAL SCHOOLElementary · 520 students
Other schools in LARCHMONT
- HOMMOCKS SCHOOLMiddle · 1,284 students
- MURRAY AVENUE SCHOOLElementary · 689 students
- CENTRAL SCHOOLElementary · 520 students
Nearby schools
- HOMMOCKS SCHOOL0.5 mi · 1,284
- CENTRAL SCHOOL0.6 mi · 520
- MAMARONECK HIGH SCHOOL0.9 mi · 1,764
- MURRAY AVENUE SCHOOL1.0 mi · 689
- HENRY BARNARD SCHOOL1.1 mi · 435
- ALBERT LEONARD MIDDLE SCHOOL1.9 mi · 1,012
Frequently asked questions
About CHATSWORTH AVENUE SCHOOLWhat is the total enrollment at CHATSWORTH AVENUE SCHOOL?
CHATSWORTH AVENUE SCHOOL enrolls approximately 652 students in grades KG-05.
What grades does CHATSWORTH AVENUE SCHOOL serve?
CHATSWORTH AVENUE SCHOOL serves grades KG-05.
What is the student-teacher ratio at CHATSWORTH AVENUE SCHOOL?
The student-to-teacher ratio at CHATSWORTH AVENUE SCHOOL is approximately 13.4:1 (49 FTE teachers).
What is the racial breakdown of students at CHATSWORTH AVENUE SCHOOL?
At CHATSWORTH AVENUE SCHOOL, the student body is approximately 77% White, 10% Hispanic, 1% Black, 4% Asian, 9% Two or more.
Is CHATSWORTH AVENUE SCHOOL public or private?
CHATSWORTH AVENUE SCHOOL is a public K-12 school, overseen by MAMARONECK UNION FREE SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.