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SCHOOL COMMUNITY·OSSINING UNION FREE SCHOOL DISTRICT·NCES 362202003121

OSSINING HIGH SCHOOL

29 S HIGHLAND AVE, OSSINING, NY 10562 · (914) 762-5760 · Westchester County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL1,577 STUDENTS
C+
allk12 Grade
Scored higher than 38% of New York public high schools
  • B-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • CBeats 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
1,577
High
DISTRICT 827 · STATE 668
Student : Teacher
11.9:1
132 FTE teachers
DISTRICT 12.8:1 · STATE 11.0:1
Free / Reduced Lunch
50%
787 students
DISTRICT 45% · 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 933821%
Grade 1039725%
Grade 1136223%
Grade 1246429%
Ungraded161%
Student demographics
49%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 49% · STATE 72% · US 70%
White
25716%
DISTRICT 17% · STATE 39% · US 43%
Hispanic
1,08969%
DISTRICT 69% · STATE 31% · US 30%
Black
1379%
DISTRICT 8% · STATE 16% · US 15%
Asian
473%
DISTRICT 3% · STATE 10% · US 6%
Two+
453%
DISTRICT 3% · STATE 4% · US 5%
Native American
10%
DISTRICT 0% · STATE 1% · US 1%
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
84353%
Female
73346%

School pathway

Feeds from
ANNE M DORNER MIDDLE SCHOOL06–08
Based on grade levels within OSSINING 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
70.0%
NY avg 58.3% . -1.0pp since 2023
Math
51.0%
NY avg 57.4% . -6.0pp since 2023

What this means: On the NYS Assessments, New York's statewide test, about 70 of every 100 students at this school read and write at grade level and about 51 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are down about 1 points since 2023, while math scores are down about 6 points.

NYS Assessments results by year

School yearEnglish Language ArtsMath
2024-2570.0%51.0%
2023-2471.0%57.0%
% 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
56.0%
composite math + reading, all grades
Predicted
56.6%
based on NY schools with similar FRL share
Beats by
-0.6pp
below demographic expectation

What this means: About 56% of students here test proficient in math and reading, compared with the roughly 57% 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 OSSINING HIGH SCHOOL

OSSINING HIGH SCHOOL's state test result (56.0% proficient) is higher than 4 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
OSSINING HIGH SCHOOL this school1,57749.9%56.0%
RIVERHEAD SENIOR HIGH SCHOOL
RIVERHEAD
1,92748.4%48.0%
WHITE PLAINS SENIOR HIGH SCHOOL
WHITE PLAINS
2,23949.8%62.2%
PEEKSKILL HIGH SCHOOL
PEEKSKILL
1,17849.4%39.3%
HUNTINGTON HIGH SCHOOL
HUNTINGTON
1,36355.2%50.2%
WALTER G O'CONNELL COPIAGUE HIGH SCHOOL
COPIAGUE
1,56753.6%52.3%
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 OSSINING HIGH SCHOOL ranks

Among high schools
MeasureThis schoolIn New YorkIn Westchester County
State test proficiency
ranked highest first
56.0%#621 of 1,135#35 of 46
Math proficiency
ranked highest first
51.0%#582 of 1,109
▼ 36
#34 of 48
▲ 1
Reading proficiency
ranked highest first
70.0%#585 of 1,135
▲ 43
#41 of 48
▼ 1
Enrollment
ranked largest first
1,577#83 of 1,216#4 of 56
Students per teacher
ranked fewest first
11.9:1#689 of 1,058#32 of 48
Diversity index
ranked most diverse first
48.7%#520 of 1,070#32 of 48
Free and reduced lunch
ranked highest share first
49.9%#693 of 1,167#15 of 49
Enrollment change since 2017-18
ranked fastest growth first
+4.2%#232 of 339#7 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
1,577
+16 (+1%) vs 2020
+75% since 1990-91, when it was 902
Student : Teacher
11.9:1
was 12.8:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,577132.111.9:150% (787)
2023-241,598129.112.4:157% (912)
2022-231,552130.911.9:151% (785)
2020-211,56112212.8:153% (832)
2017-181,514104.214.5:153% (801)
2015-161,37810413.3:125% (349)
2010-111,32310213.0:130% (399)
2000-011,1258513.2:118% (199)
1990-919027512.0:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for OSSINING HIGH SCHOOL.

About OSSINING HIGH SCHOOL

As a large high school, OSSINING HIGH SCHOOL serves students in OSSINING, New York. It serves 1,577 students in grades 9 through 12. The average among high schools in New York is roughly 668 students; this school is 136% larger than that.

OSSINING HIGH SCHOOL is among 6 schools run by OSSINING UNION FREE SCHOOL DISTRICT, which serves 4,959 students.

OSSINING HIGH SCHOOL is 69% Hispanic by enrollment. The rest of enrollment is 16% White, 9% Black, 3% Asian, and 3% multiracial. Census estimates put the Hispanic share of Westchester County's population at about 27%. Pick two students at random and there is a 49% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.

Federal data list 132.1 full-time-equivalent teachers at OSSINING HIGH SCHOOL in 2024-25, for a ratio of 11.9:1. That is higher than the 11.0:1 average for high schools in New York. The lunch program counts 50% of students at OSSINING HIGH SCHOOL as eligible for free or reduced-price meals. It compares with 38% for public schools in Westchester County.

The allk12 Grade for OSSINING HIGH SCHOOL is C+. Compared with New York public high schools, the school scored higher than 38% on a mix of test scores, poverty-adjusted results, and recent trend.

On a poverty-adjusted basis, OSSINING HIGH SCHOOL falls in the middle 80% of New York schools: 56.0% actual against 56.6% predicted.

In the county around the school, Westchester County, the median household income is $118,976, roughly 53% of adults have a four-year degree or more, and about 6% of residents live below the federal poverty line. There are 255 public schools in Westchester County, enrolling about 140,968 students in all.

PARK SCHOOL is located about 0.4 miles from OSSINING HIGH SCHOOL. The five-mile area around OSSINING HIGH SCHOOL holds at least 8 other public schools. Among 7 nearby schools that report test results, OSSINING HIGH SCHOOL ranks 4th on proficiency.

The federal government classifies OSSINING HIGH SCHOOL's location as Suburb: Large.

Enrollment at OSSINING HIGH SCHOOL was 1,561 in 2020-21 and 1,577 in 2024-25, a change of less than 3%.

If you have questions about enrollment questions, class placement, and PTA news at OSSINING HIGH SCHOOL, you can post them here. Posting is open to anyone connected to the school.

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
OSSINING HIGH SCHOOL
District
OSSINING UNION FREE SCHOOL DISTRICT
Address
29 S HIGHLAND AVE, OSSINING, NY 10562
Phone
(914) 762-5760
County
Westchester County
Level
High
Grade range
09–12
Total enrollment
1,577
Teachers (FTE)
132
Student–teacher ratio
11.9:1
Free and reduced lunch
787 (50%)
Locale
21-Suburb: Large
NCES ID
362202003121
Charter school
No
Virtual school
No

Related schools

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

Frequently asked questions

About OSSINING HIGH SCHOOL
What is the total enrollment at OSSINING HIGH SCHOOL?
OSSINING HIGH SCHOOL enrolls approximately 1,577 students in grades 09-12.
What age range does OSSINING HIGH SCHOOL serve?
OSSINING HIGH SCHOOL serves students from grade 09 through grade 12.
How many teachers does OSSINING HIGH SCHOOL have?
OSSINING HIGH SCHOOL employs 132 FTE teachers, for a student-to-teacher ratio of 11.9:1.
What is the student diversity at OSSINING HIGH SCHOOL?
Student demographics at OSSINING HIGH SCHOOL are roughly 16% White, 69% Hispanic, 9% Black, 3% Asian, 3% Two or more.
Who oversees OSSINING HIGH SCHOOL?
OSSINING HIGH SCHOOL is overseen by OSSINING 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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