Very Good
#236 of 992 private schools in NY
Top 24% of private schools
The Leffell School
High School · Hartsdale, NY
A private high school in Hartsdale, NY serving grades 6th – 12th.
555 W HARTSDALE AVE, Hartsdale, NY 10530
- 5.8:1 student-teacher ratio
Academics
PreliminaryWhat 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.
Data not available
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
Most recent published year. School vs. NY average.
Test score data not yet available for this school.
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 rateThe neighborhood
Where The Leffell 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 34Car-Dependent
- Bike 16Somewhat Bikeable
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Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$118,114
Median home value
$445,600
Median rent
$2,334/mo
College educated
65.1%
Homeownership
85.6%
Poverty rate
5.7%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 10530; this is area context, not an attendance boundary.
Programs & students
Student demographicsNCES Private School Universe Survey (PSS) (SY 2021–22)
Source: NCES Private School Universe Survey (PSS)
Compare nearby
Nearby same-level schools
4 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Maria Regina High SchoolPrivate · tuition | 5.9private | 9–12 | 0.1 mi | 491 | Compare → |
| Woodlands Middle/high SchoolEnrollment path unverified | 5.9 | 7–12 | 0.5 mi | 688 | Compare → |
| Alexander Hamilton High SchoolEnrollment path unverified | 5.9 | 7–12 | 1.3 mi | 477 | Compare → |
| Ardsley High SchoolEnrollment path unverified | 8.8 | 9–12 | 1.5 mi | 748 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
The Leffell School is listed in Hartsdale, NY; verify the current enrollment path directly.
About The Leffell School
The Leffell School is a private high school in Hartsdale, NY, serving approximately 466 students in grades 6th-12th with a 5.8:1 student-teacher ratio. It holds a MySchoolScout rating of 7.1 out of 10 and ranks #236 of 992 private schools in NY.
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 ranks #236 of 992 private schools in NY.
What is The Leffell School's MySchoolScout rating?
The Leffell School has a current MySchoolScout rating of 7.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; 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.
School factsNCES Private School Universe Survey (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 County
- Phone
- (914) 713-8064
- Area population (ZIP 10530)
- 13,955
- Area average commute
- 38.8 min
- Area median age
- 51.1
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 Private School Universe Survey (PSS) · SY 2021–22 · Low confidence
- Vintage not available. Do not use this measure alone.
- MySchoolScout rating and rank
- MySchoolScout ranking model · 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 a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource 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 10530; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments vintage unavailable; directory SY 2021–22
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