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SCHOOL COMMUNITY·ARDSLEY UNION FREE SCHOOL DISTRICT·NCES 360318000080

ARDSLEY HIGH SCHOOL

300 FARM RD, ARDSLEY, NY 10502 · (914) 295-5800 · Westchester County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL755 STUDENTS
A
allk12 Grade
Scored higher than 89% of New York public high schools
  • ATest 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 high schools

Enrollment
755
High
DISTRICT 775 · STATE 668
Student : Teacher
9.9:1
76 FTE teachers
DISTRICT 10.8:1 · STATE 11.0:1
Free / Reduced Lunch
16%
119 students
DISTRICT 13% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 917523%
Grade 1019025%
Grade 1118224%
Grade 1219526%
Ungraded132%
Student demographics
64%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 65% · STATE 72% · US 70%
White
39552%
DISTRICT 52% · STATE 39% · US 43%
Hispanic
12817%
DISTRICT 15% · STATE 31% · US 30%
Black
284%
DISTRICT 3% · STATE 16% · US 15%
Asian
16722%
DISTRICT 22% · STATE 10% · US 6%
Two+
365%
DISTRICT 8% · STATE 4% · US 5%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
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
Male
40353%
Female
35247%

School pathway

Feeds from
ARDSLEY MIDDLE SCHOOL05–08
Based on grade levels within ARDSLEY UNION FREE SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
99.0%
NY avg 58.3% . +1.0pp since 2023
Math
76.0%
NY avg 57.4% . -19.0pp since 2023

What this means: On the NYS Assessments, New York's statewide test, about 99 of every 100 students at this school read and write at grade level and about 76 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 1 points since 2023, while math scores are down about 19 points.

NYS Assessments results by year

School yearEnglish Language ArtsMath
2024-2599.0%76.0%
2023-2498.0%95.0%
% 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 · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
88.0%
composite math + reading, all grades
Predicted
69.2%
based on NY schools with similar FRL share
Beats by
+18.8pp
above demographic expectation

What this means: About 88% of students here test proficient in math and reading, compared with the roughly 69% 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 ARDSLEY HIGH SCHOOL

ARDSLEY HIGH SCHOOL's state test result (88.0% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
ARDSLEY HIGH SCHOOL this school75515.8%88.0%
WILLIAMSVILLE EAST HIGH SCHOOL
EAST AMHERST
94015.9%92.8%
ROSLYN HIGH SCHOOL
ROSLYN HEIGHTS
1,08616.5%86.8%
CLINTON SCHOOL (THE)
NEW YORK
84624.1%87.2%
FLORAL PARK MEMORIAL HIGH SCHOOL
FLORAL PARK
1,30823.1%67.5%
BETHPAGE SENIOR HIGH SCHOOL
BETHPAGE
99528.3%92.0%
Matched among New York high 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 ARDSLEY HIGH SCHOOL ranks

Among high schools
MeasureThis schoolIn New YorkIn Westchester County
State test proficiency
ranked highest first
88.0%#87 of 1,135#11 of 46
Math proficiency
ranked highest first
76.0%#182 of 1,109
▼ 139
#18 of 48
▼ 13
Reading proficiency
ranked highest first
99.0%#11 of 1,135
▲ 25
#1 of 48
▲ 6
Enrollment
ranked largest first
755#333 of 1,216#28 of 56
Students per teacher
ranked fewest first
9.9:1#287 of 1,058#14 of 48
Diversity index
ranked most diverse first
64.5%#186 of 1,070#3 of 48
Free and reduced lunch
ranked highest share first
15.8%#1,123 of 1,167#34 of 49
Enrollment change since 2017-18
ranked fastest growth first
+11.5%#128 of 339#3 of 18
Ranked against other public high 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 2024-25
Enrollment
755
+48 (+7%) vs 2020
+83% since 1990-91, when it was 413
Student : Teacher
9.9:1
was 10.3:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2575576.39.9:116% (119)
2023-2474878.49.5:1N/A
2022-2371675.19.5:1N/A
2020-217076910.3:111% (76)
2017-186776011.3:18% (57)
2015-166615512.0:18% (55)
2010-117216211.6:16% (42)
2000-016044712.8:12% (15)
1990-914133412.2:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for ARDSLEY HIGH SCHOOL.

About ARDSLEY HIGH SCHOOL

ARDSLEY HIGH SCHOOL is a high school in ARDSLEY, New York, and it is part of ARDSLEY UNION FREE SCHOOL DISTRICT. It teaches 755 students in grades 9 through 12.

ARDSLEY HIGH SCHOOL belongs to ARDSLEY UNION FREE SCHOOL DISTRICT, a district of 3 schools and 2,325 students.

About 52% of the student body at ARDSLEY HIGH SCHOOL is White. The remaining students are 22% Asian, 17% Hispanic, 5% multiracial, and 4% Black. Westchester County residents are about 52% White, a similar share. On a 0 to 100 scale, the school's diversity index is 64, compared with 70 nationally.

The school lists 76.3 full-time-equivalent teachers and a student-to-teacher ratio of 9.9:1. The average for high schools in New York, 11.0:1, is higher. A total of 119 students, or 16%, are eligible for free or reduced-price lunch. By comparison, the figure for public schools in Westchester County is 38%.

ARDSLEY HIGH SCHOOL holds an A allk12 Grade, placing it above 89% of New York public high schools.

Compared with New York schools that have similar shares of low-income students, ARDSLEY HIGH SCHOOL's results are 18.8 points above predicted: 88.0% against 69.2%.

For Westchester County, Census Bureau data show median household income comes to about $118,976, the share of adults with a bachelor's degree or higher is 53%, and about 6% of people live in poverty. There are 255 public schools in the county, enrolling about 140,968, ARDSLEY HIGH SCHOOL among them.

CONCORD ROAD ELEMENTARY SCHOOL is the nearest public school to ARDSLEY HIGH SCHOOL, about 0.5 miles away. Counting only straight-line distance, at least 8 other public schools are within five miles. In a group of 7 nearby schools with scores, ARDSLEY HIGH SCHOOL ranks 1st on average proficiency.

The school's locale code, Suburb: Large, means it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

A 7% rise took enrollment from 707 in 2020-21 to 755 in 2024-25.

The discussion board for ARDSLEY HIGH SCHOOL is open to topics like special education services, counseling, and support programs. Teachers and staff are welcome to share updates too.

Westchester County at a glance

View full county profile
Population
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

School name
ARDSLEY HIGH SCHOOL
District
ARDSLEY UNION FREE SCHOOL DISTRICT
Address
300 FARM RD, ARDSLEY, NY 10502
Phone
(914) 295-5800
County
Westchester County
Level
High
Grade range
09–12
Total enrollment
755
Teachers (FTE)
76
Student–teacher ratio
9.9:1
Free and reduced lunch
119 (16%)
Locale
21-Suburb: Large
NCES ID
360318000080
Charter school
No
Virtual school
No

Related schools

Other schools in ARDSLEY UNION FREE SCHOOL DISTRICT
Other schools in ARDSLEY
Nearby schools

Frequently asked questions

About ARDSLEY HIGH SCHOOL
What is the total enrollment at ARDSLEY HIGH SCHOOL?
ARDSLEY HIGH SCHOOL enrolls approximately 755 students in grades 09-12.
What grades does ARDSLEY HIGH SCHOOL serve?
ARDSLEY HIGH SCHOOL serves grades 09-12.
What is the student-teacher ratio at ARDSLEY HIGH SCHOOL?
The student-to-teacher ratio at ARDSLEY HIGH SCHOOL is approximately 9.9:1 (76 FTE teachers).
What is the racial breakdown of students at ARDSLEY HIGH SCHOOL?
At ARDSLEY HIGH SCHOOL, the student body is approximately 52% White, 17% Hispanic, 4% Black, 22% Asian, 5% Two or more.
Who oversees ARDSLEY HIGH SCHOOL?
ARDSLEY HIGH SCHOOL is overseen by ARDSLEY UNION FREE SCHOOL DISTRICT in Westchester County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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