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Very Good

#237 of 991 private schools in NY

Top 24% of private schools

The Leffell School

High School

555 W HARTSDALE AVE, Hartsdale, NY 10530

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on NY statewide data. Learn more

Enrollment

466

Student-Teacher

5.8:1

Score

7.1

Grades

6th – 12th

Updated 2021-22

How this school compares

In Hartsdale

#1 of 3

public schools

New York high schools

#44 of 191

About The Leffell School

The Leffell School is a regular public high school located in Hartsdale, Westchester County, New York. With an enrollment of 466 students and a student-teacher ratio of 5.8:1, The Leffell School provides personalized attention to each student. There are 81 full-time equivalent teachers dedicated to supporting the academic needs of the diverse student body.

While specific test score data is not available, The Leffell School maintains a MySchoolScout rating of 4.2 out of 10 and ranks at number 313 among 991 schools in New York State. This suggests there is room for improvement in academic performance but the school continues to focus on student development and growth. The school's setting is in a large suburban area, providing students with access to both urban amenities and the tranquility of suburban life.

The Leffell School serves as an integral part of this vibrant community, fostering a supportive environment where students can thrive and prepare for their future endeavors.

What Parents Should Know

With a student-teacher ratio of 5.8:1, The Leffell School offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.

As a private school, The Leffell School operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.

Compare to Public Schools

Beta

How The Leffell School compares to the 3 public schools in Hartsdale, NY

Student-Teacher Ratio
5.8:1
This School
vs
9.5:1
Public Avg
Avg School Size
466
This School
vs
344
Public Avg
Avg School Scout Rating
7.1
This School
vs
7.2
Public Avg

Student Demographics

White 100% vs 0%
The Leffell School Hartsdale Public Avg

All Schools in Hartsdale

School Rating
The Leffell School (this school) 7.1
WOODLANDS MIDDLE/HIGH SCHOOL 8.0
EARLY CHILDHOOD PROGRAM 7.1
HIGHVIEW SCHOOL 6.4

Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.

Score Breakdown

What This Rating Measures

This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in NY.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
A 8.6 / 10
View breakdown
Student-Teacher Ratio 5.8:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
A 8.7 / 10
View breakdown
School Day Length 8.2 hours
Annual Instructional Hours 1,385.8
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
C 2.9 / 10
View breakdown
Diversity Index 0%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
A- 8.1 / 10
View breakdown
Enrollment 466
View data sources

Score basis: Private school model

Data coverage: 80% of scoring components had data

Components scored: 4 of 5

Ranking pool: Private schools in NY

Test Scores

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

White 100.0%

Source: NCES Private School Survey (PSS)

Location

555 W HARTSDALE AVE, Hartsdale, NY 10530

Nearby Alternatives

Families considering The Leffell School may also want to explore other high schools in the area. WOODLANDS MIDDLE/HIGH SCHOOL (rated 8.0/10, 0.5 miles away), which scores slightly higher. Another option is ARDSLEY HIGH SCHOOL (rated 7.6/10, 1.5 miles away, in nearby Ardsley), which scores slightly higher. Additionally, EDGEMONT JUNIOR-SENIOR HIGH SCHOOL (rated 7.5/10, 2.1 miles away, in nearby Scarsdale), which scores slightly higher. For more schools in Hartsdale, see our Hartsdale schools guide .

Nearby Schools

20 within 1.9 mi
School Distance Rating
MARIA REGINA HIGH SCHOOL Hartsdale 0.1 mi 5.9
EARLY CHILDHOOD PROGRAM Hartsdale 0.5 mi 7.1
WOODLANDS MIDDLE/HIGH SCHOOL Hartsdale 0.5 mi 8.0
SACRED HEART SCHOOL Hartsdale 1.1 mi 6.4
LEE F JACKSON SCHOOL White Plains 0.9 mi 7.4
ALEXANDER HAMILTON HIGH SCHOOL Elmsford 1.3 mi 5.5
HIGHVIEW SCHOOL Hartsdale 1.1 mi 6.4
ALICE E GRADY ELEMENTARY SCHOOL Elmsford 1.3 mi 6.3
RICHARD J BAILEY SCHOOL White Plains 1.2 mi 7.9
CARL L DIXSON ELEMENTARY SCHOOL Elmsford 1.5 mi 8.0
NEW YORK SCHOOL FOR THE DEAF White Plains 1.5 mi 8.3
OUR LADY OF MOUNT CARMEL SCHOOL Elmsford 1.6 mi 6.5
ELMWOOD COUNTRY DAY SCHOOL White Plains 1.3 mi 4.8
ARDSLEY HIGH SCHOOL Ardsley 1.5 mi 7.6
MOHAWK COUNTRY DAY SCHOOL White Plains 1.6 mi 6.3
EDGEMONT JUNIOR-SENIOR HIGH SCHOOL Scarsdale 2.1 mi 7.5
GREENACRES SCHOOL Scarsdale 2.0 mi 9.0
FOX MEADOW SCHOOL Scarsdale 2.2 mi 8.2
CONCORD ROAD ELEMENTARY SCHOOL Ardsley 1.9 mi 7.4
POST ROAD SCHOOL White Plains 1.9 mi 7.7

Neighborhood Census ACS (2019-2023)

Census data for ZIP 10530 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$118,114

Median Home Value

$445,600

Median Rent

$2,334/mo

Population

13,955

College Educated

65.1%

Homeownership

85.6%

Avg Commute

38.8 min

Poverty Rate

5.7%

Median Age

51.1

Community Profile

The community surrounding The Leffell School has a median household income of $118,114. It is a well-educated community where 65% of adults hold a bachelor's degree or higher. The median home value in the area is $445,600, with a median rent of $2,334/month. The local poverty rate of 5.7% is relatively low. The average commute in the area is 39 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
ASTOR COLLEGIATE ACADEMY Bronx, NY 7.1
BRONX HIGH SCHOOL FOR LAW AND COMMUNITY SERVICE Bronx, NY 7.1
DUANESBURG HIGH SCHOOL Delanson, NY 7.1
EAST AURORA HIGH SCHOOL East Aurora, NY 7.1
GREENWICH JUNIOR-SENIOR HIGH SCHOOL Greenwich, NY 7.1
HIGH SCHOOL FOR DUAL LANGUAGE AND ASIAN STUDIES New York, NY 7.1

Frequently Asked Questions

Common questions about The Leffell School

What grades does The Leffell School serve?

The Leffell School serves students in grades 6th through 12th.

How many students attend The Leffell School?

The Leffell School has an enrollment of approximately 466 students.

What is the student-teacher ratio at The Leffell School?

The student-teacher ratio at The Leffell School is 5.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does The Leffell School rank in NY?

The Leffell School is ranked #237 out of 991 private schools in NY.

What is The Leffell School's MySchoolScout rating?

The Leffell School has a composite rating of 7.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

Is The Leffell School a private school?

Yes, The Leffell School is a private coeducational school with a Jewish affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is The Leffell School a religious school?

The Leffell School has a Jewish religious affiliation.

11 schools nearby View map →

Neighborhood Context

Walk Score
34 Car-Dependent
Bike Score
16 Somewhat Bikeable

Powered by Walk Score

FBI UCR. County-level only.

Quick Facts NCES PSS (SY 2021-22)

Grades
6th – 12th
Enrollment
466
Gender Split
54% M / 46% F
Student-Teacher Ratio
5.8:1
Teachers (FTE)
81
Type
private
Coed Status
coed
Affiliation
Jewish
School Day
8.2 hours
Days Per Year
169 days
Setting
Large Suburb
County
WESTCHESTER
Data Year
2022–2023

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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