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Excellent

#548 of 4,742 schools in NY

Top 12% in state

Chatsworth Avenue School

Elementary School · Mamaroneck Union Free School District · Larchmont, NY

A Mamaroneck Union Free School District elementary school where students score 15 points above what's typical for similar communities.

34 CHATSWORTH AVE, Larchmont, NY 10538

  • Math 81% proficient (2022)
  • Reading 81% proficient (2022)
  • 13.8:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress7.9Very Good50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-0.38 pts/yr
Data Period2009–2022
TrendStable
Academics8.9Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency81.3% (2022 EdFacts)
Reading/ELA Proficiency81.3% (2022 EdFacts)
Math vs. State Avg+27.8 pts
Reading vs. State Avg+20.4 pts
Overall Proficiency81% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)67% (model expectation from 2022 EdFacts)
vs. Expected+14.6 pts
Adjusted Percentile82th
Resources & Environment8.1Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio13.8:1
District spending per student$25,786
Chronic Absenteeism12.1%

Students at Chatsworth Avenue School score 81% proficient, which is above what's typical for similar communities (expected: 67%).

How we calculate scores →

2022 EdFacts proficiency

Most recent published year. School vs. NY average.

Math Proficiency81%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)
ELA Proficiency81%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)

Trend

→ Steady

Proficiency is down 14 points across the 14-year record (2009–2022) and has held near 81% recently.

Show all 14 years
2009
Math
98%
ELA
93%
2010
Math
93%
ELA
88%
2011
Math
93%
ELA
89%
2012
Math
74%
ELA
71%
2013
Math
81%
ELA
76%
2014
Math
81%
ELA
72%
2015
Math
86%
ELA
84%
2016
Math
82%
ELA
84%
2017
Math
83%
ELA
86%
2018
Math
80%
ELA
88%
2019
Math
80%
ELA
88%
2020*
Math
84%
ELA
91%
2021*
Math
84%
ELA
91%
2022
Math
81%
ELA
81%

Multi-year averages used by the rating model: math 84% (multi-year average, 2009-2022) · reading/ELA 86% (multi-year average, 2009-2022)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 34 test records from NY state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

6.4%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Chatsworth Avenue School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the New York map →

Getting around & local context

  • Walk 93Walker's Paradise
  • Bike 50Bikeable

Powered byWalk Score

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$186,555

Median home value

$1,185,300

Median rent

$2,115/mo

College educated

82%

Homeownership

78.3%

Poverty rate

2.6%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 10538; this is area context, not an attendance boundary.

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Central SchoolEnrollment path unverified7.7PK–50.6 mi511Compare →
Ss John & Paul SchoolPrivate · tuition4.9privatePK–80.8 mi324Compare →
Murray Avenue SchoolEnrollment path unverified8.2K–51.0 mi712Compare →
Henry Barnard SchoolEnrollment path unverified5.8PK–21.1 mi452Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Mamaroneck Union Free School District

Schools in district
6
Rank in district
#2 of 6
District spending per student
$25,786NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
4.1%Census SAIPE · 2024

Chatsworth Avenue School is listed in MAMARONECK UNION FREE SCHOOL DISTRICT; a district label does not verify attendance for an address.

About Chatsworth Avenue School

Chatsworth Avenue School is a public elementary school in Larchmont, NY, part of Mamaroneck Union Free School District, serving approximately 636 students in grades Kindergarten-5th with a 13.8:1 student-teacher ratio. It holds a MySchoolScout rating of 8.2 out of 10 and ranks #548 of 4,742 schools in NY. State assessment records show 84% math proficiency (multi-year average, 2009-2022) and 86% reading/ELA proficiency (multi-year average, 2009-2022).

Frequently asked questions

Common questions about Chatsworth Avenue School

What grades does Chatsworth Avenue School serve?

Chatsworth Avenue School serves students in grades Kindergarten through 5th.

How many students attend Chatsworth Avenue School?

Chatsworth Avenue School has an enrollment of approximately 636 students.

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

The student-teacher ratio at Chatsworth Avenue School is 13.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Chatsworth Avenue School rank in NY?

Chatsworth Avenue School ranks #548 of 4,742 schools in NY.

What is Chatsworth Avenue School's MySchoolScout rating?

Chatsworth Avenue School has a current MySchoolScout rating of 8.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Chatsworth Avenue School?

Based on loaded state assessment records, Chatsworth Avenue School has 84% math proficiency (multi-year average, 2009-2022) and 86% reading/ELA proficiency (multi-year average, 2009-2022).

Is Chatsworth Avenue School a charter school?

No, Chatsworth Avenue School is not a charter school. It is a traditional public school operated by the local school district.

Is Chatsworth Avenue School a Title I school?

No, Chatsworth Avenue School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Chatsworth Avenue School?

6.4% of students at Chatsworth Avenue School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Kindergarten – 5th
Enrollment
636
Student-Teacher Ratio
13.8:1
Teachers (FTE)
46
Type
regular
Setting
Large Suburb
County
Westchester County
Chronic Absenteeism (SY 2022-23)
12.1%
Area population (ZIP 10538)
17,709
Area average commute
39.7 min
Area median age
41.5
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 10538; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2022; directory SY 2023–24

About our data · How we calculate scores

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