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Very Good

#209 of 991 private schools in NY

Top 21% of private schools

Portledge School

School

355 DUCK POND RD, Locust Valley, NY 11560

Private Estimated Score

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

Enrollment

510

Student-Teacher

7.8:1

Score

7.2

Grades

Pre-K – 12th

Updated 2021-22

How this school compares

New York schools

#82 of 277

About Portledge School

Portledge School is a PK through 12 regular public school located in the rural area near Locust Valley, New York. With an enrollment of 510 students and a student-teacher ratio of 7.8:1, Portledge provides personalized attention to its diverse student body. The school has 65 full-time equivalent teachers dedicated to supporting each child's educational journey.

While detailed test score data is not available, the MySchoolScout rating of 4.2 out of 10 and a state ranking at #171 among 991 schools in New York suggests that Portledge School focuses on student development with room for academic growth. The school community values fostering a nurturing environment where students can thrive both academically and socially. Portledge School is situated in an area that combines the tranquility of rural surroundings with easy access to town amenities, making it a unique setting for learning and personal growth.

What Parents Should Know

With a student-teacher ratio of 7.8:1, Portledge 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, Portledge 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.

Located in a rural area, Portledge School may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.

Financial Overview

Source: IRS Form 990 (2024 filing)

Per-Pupil Spending
Total expenses ÷ enrollment
$49,444
Per-Pupil Revenue
Total revenue ÷ enrollment
$52,838
Financial Health
Revenue-to-expense ratio (>1.0 = surplus)
1.07x — Stable
Tuition Dependency
Share of revenue from program services (tuition, fees)
87%
Total Assets
End-of-year total assets from IRS filing
$39.1M

Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 510 students. Not all private schools file Form 990.

Compare to Public Schools

Beta

How Portledge School compares to the 4 public schools in Locust Valley, NY

Student-Teacher Ratio
7.8:1
This School
vs
10.2:1
Public Avg
Avg School Size
510
This School
vs
375
Public Avg
Avg School Scout Rating
7.2
This School
vs
7.6
Public Avg

Student Demographics

White 64.9% vs 0%
Asian 15.3% vs 0%
Black 7.6% vs 0%
Hispanic 3.7% vs 0%
Portledge School Locust Valley Public Avg

All Schools in Locust Valley

School Rating
Portledge School (this school) 7.2
ANN MACARTHUR PRIMARY 6.3
LOCUST VALLEY INTERMEDIATE SCHOOL 8.6
LOCUST VALLEY HIGH SCHOOL 8.6
LOCUST VALLEY MIDDLE SCHOOL 6.8

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)
B+ 7.0 / 10
View breakdown
Student-Teacher Ratio 7.8:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
A- 8.2 / 10
View breakdown
School Day Length 7.2 hours
Annual Instructional Hours 1,296
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
A- 7.9 / 10
View breakdown
Diversity Index 54%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
B 5.9 / 10
View breakdown
Enrollment 510
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 64.9%
Asian 15.3%
Two or More 8.2%
Black 7.6%
Hispanic 3.7%
Native American 0.2%

Source: NCES Private School Survey (PSS)

Location

355 DUCK POND RD, Locust Valley, NY 11560

Nearby Alternatives

Families considering Portledge School may also want to explore other schools in the area. TIEGERMAN MIDDLE SCHOOL (rated 8.8/10, 2.0 miles away, in nearby Glen Cove), which scores notably higher. Another option is LOCUST VALLEY INTERMEDIATE SCHOOL (rated 8.6/10, 1.0 miles away), which scores notably higher. Additionally, LOCUST VALLEY HIGH SCHOOL (rated 8.6/10, 1.3 miles away), which scores notably higher. For more schools in Locust Valley, see our Locust Valley schools guide .

Nearby Schools

20 within 3.3 mi
School Distance Rating
ANN MACARTHUR PRIMARY Locust Valley 0.9 mi 6.3
LOCUST VALLEY INTERMEDIATE SCHOOL Locust Valley 1.0 mi 8.6
LOCUST VALLEY HIGH SCHOOL Locust Valley 1.3 mi 8.6
LOCUST VALLEY MIDDLE SCHOOL Locust Valley 1.3 mi 6.8
CONNOLLY SCHOOL Glen Cove 1.4 mi 6.6
GRIBBIN SCHOOL Glen Cove 1.9 mi 7.1
TIEGERMAN MIDDLE SCHOOL Glen Cove 2.0 mi 8.8
BAYVILLE PRIMARY Bayville 2.7 mi 6.6
BAYVILLE INTERMEDIATE SCHOOL Bayville 2.7 mi 7.4
ROBERT M FINLEY MIDDLE SCHOOL Glen Cove 2.3 mi 5.6
GLEN COVE HIGH SCHOOL Glen Cove 2.3 mi 7.9
DEASY SCHOOL Glen Cove 2.3 mi 7.1
THEODORE ROOSEVELT SCHOOL Oyster Bay 2.6 mi 8.0
VERNON SCHOOL East Norwich 2.8 mi 8.3
TIEGERMAN ELEMENTARY SCHOOL Glen Cove 2.8 mi
GLEN HEAD ELEMENTARY SCHOOL Glen Head 3.3 mi 6.5
THE GREENVALE SCHOOL Old Brookville 3.7 mi 8.1
NORTH SHORE SENIOR HIGH SCHOOL Glen Head 3.3 mi 7.8
ST DOMINIC ELEMENTARY SCHOOL Oyster Bay 3.0 mi 7.0
HARMONY HEIGHTS SCHOOL East Norwich 3.3 mi 7.2

Neighborhood Census ACS (2019-2023)

Census data for ZIP 11560 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$159,545

Median Home Value

$937,500

Median Rent

$2,467/mo

Population

6,951

College Educated

60%

Homeownership

82.5%

Avg Commute

37.7 min

Poverty Rate

4.9%

Median Age

48.1

Community Profile

The community surrounding Portledge School has a median household income of $159,545. It is a well-educated community where 60% of adults hold a bachelor's degree or higher. The median home value in the area is $937,500, with a median rent of $2,467/month. The local poverty rate of 4.9% is relatively low. The average commute in the area is 38 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
BEGINNING WITH CHILDREN CHARTER SCHOOL II Brooklyn, NY 7.2
GERMAN INTERNATIONAL SCHOOL NEW YORK White Plains, NY 7.2
NORTH WARREN CENTRAL SCHOOL Chestertown, NY 7.2
STANLEY G FALK SCHOOL Buffalo, NY 7.2
DAVID MARQUIS SCHOOL OF THE ARTS (THE) Staten Island, NY 7.3
MANLIUS PEBBLE HILL SCHOOL Syracuse, NY 7.3

Frequently Asked Questions

Common questions about Portledge School

What grades does Portledge School serve?

Portledge School serves students in grades Pre-K through 12th.

How many students attend Portledge School?

Portledge School has an enrollment of approximately 510 students.

What is the student-teacher ratio at Portledge School?

The student-teacher ratio at Portledge School is 7.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does Portledge School rank in NY?

Portledge School is ranked #209 out of 991 private schools in NY.

What is Portledge School's MySchoolScout rating?

Portledge School has a composite rating of 7.2 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 Portledge School a private school?

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

Is Portledge School a religious school?

No, Portledge School is a nonsectarian (non-religious) private school.

11 schools nearby View map →

Neighborhood Context

Walk Score
5 Car-Dependent
Bike Score
26 Somewhat Bikeable

Powered by Walk Score

FBI UCR. County-level only.

Quick Facts NCES PSS (SY 2021-22)

Grades
Pre-K – 12th
Enrollment
510
Gender Split
54% M / 46% F
Student-Teacher Ratio
7.8:1
Teachers (FTE)
65
Type
private
Coed Status
coed
Affiliation
Nonsectarian
School Day
7.2 hours
Days Per Year
180 days
Setting
Fringe Rural
County
NASSAU
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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