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Ossining High School

29 S Highland Ave, Ossining, NY 10562

BSchola Grade
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Grades
9–12
High
Students
1,577
Enrolled 2024–25
Students per teacher
11.9 : 1
Full-time teachers
District
Ossining Union Free School District
Westchester County

Schola Grade B · Above average

Letter grade (A–F) · compared with 1,093 New York high schools · How we grade
Test scores74% proficient in math & reading
56thpercentile
Equity71% of low-income students proficient
58thpercentile
Attendance13% chronically absent
91stpercentile
Graduation rate81% graduate in 4 years
12thpercentile
College readinessAt least 26% take AP, IB or dual-enrollment courses
50thpercentile
Class size11.9 students per teacher
34thpercentile

Percentiles compare this school with other New York high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Ossining High School

Ossining High School is a public high school in Ossining, New York, serving grades 9–12. It is part of Ossining Union Free School District. The school is located in a large suburb in Westchester County.

In the 2024–25 school year, 1,577 students were enrolled, with about 11.9 students for every full-time teacher. That ratio is larger than the typical New York high school (10.7 students per teacher). Its Schola Grade is B (above average), compared with 1,093 New York high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

29 S Highland Ave
Ossining, NY 10562
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
1,577 students
Students per teacher
11.9 to 1
AP courses offered
13
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Ossining Union Free School District
County
Westchester County
NCES school ID
362202003121

Schools near Ossining High School

All 7 schools in Ossining →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.