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SCHOOL COMMUNITY·PRINCE WILLIAM COUNTY PUBLIC SCHOOLS·NCES 510313001313

Osbourn Park High

8909 Euclid Ave, Manassas, VA 20111 · (703) 365-6500 · Prince William County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL2,661 STUDENTS
B-
allk12 Grade
Scored higher than 46% of Virginia public high schools
  • C+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • B-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 Virginia public high schools

Enrollment
2,661
High
DISTRICT 2,259 · STATE 1,213
Student : Teacher
17.1:1
156 FTE teachers
DISTRICT 16.3:1 · STATE 13.9:1
Free / Reduced Lunch
69%
1,839 students
DISTRICT 57% · STATE 66%
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 968326%
Grade 1070026%
Grade 1160123%
Grade 1267725%
Student demographics
71%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 74% · STATE 71% · US 70%
White
53520%
DISTRICT 26% · STATE 43% · US 43%
Hispanic
1,21446%
DISTRICT 37% · STATE 20% · US 30%
Black
42716%
DISTRICT 19% · STATE 21% · US 15%
Asian
36014%
DISTRICT 12% · STATE 8% · US 6%
Two+
1164%
DISTRICT 6% · STATE 7% · US 5%
Native American
30%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
60%
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
1,31950%
Female
1,34250%

Discussions

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Test scores

SOL 2024-25 . % Passing
English Language Arts
79.0%
VA avg 74.2% . -11.0pp since 2022
Math
84.0%
VA avg 72.7% . +3.0pp since 2022

What this means: On the SOL, Virginia's statewide test, about 79 of every 100 students at this school read and write at grade level and about 84 of 100 do math at grade level. Across all Virginia schools, those numbers are about 74 and 73. Reading and writing scores are down about 11 points since 2022, while math scores are up about 3 points.

SOL results by year

School yearEnglish Language ArtsMath
2024-2579.0%84.0%
2023-2484.0%81.0%
2022-2390.0%81.0%
% Passing, all students and all tested grades.
Source: SOL. 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
72.5%
composite math + reading, all grades
Predicted
69.3%
based on VA schools with similar FRL share
Beats by
+3.2pp
above demographic expectation

What this means: About 73% of students here test proficient in math and reading, compared with the roughly 69% typical for Virginia 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 Virginia'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 Osbourn Park High

Osbourn Park High's state test result (72.5% proficient) is higher than 4 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Osbourn Park High this school2,66169.1%72.5%
Woodbridge High
Woodbridge
2,89867.9%73.1%
C.D. Hylton High
Woodbridge
1,85968.3%71.5%
Annandale High
Annandale
2,16171.2%68.4%
Justice High
Falls Church
2,35777.4%71.5%
Lewis High
Springfield
1,65868.6%61.1%
Matched among Virginia 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 Osbourn Park High ranks

Among high schools
MeasureThis schoolIn VirginiaIn Prince William County
State test proficiency
ranked highest first
72.5%#183 of 311#8 of 13
Math proficiency
ranked highest first
84.0%#155 of 316
▲ 29
#7 of 13
▼ 2
Reading proficiency
ranked highest first
79.0%#242 of 316
▼ 77
#11 of 13
▼ 2
Enrollment
ranked largest first
2,661#12 of 325#3 of 13
Students per teacher
ranked fewest first
17.1:1#279 of 309#11 of 13
Diversity index
ranked most diverse first
70.6%#36 of 309#6 of 13
Free and reduced lunch
ranked highest share first
69.1%#168 of 319#1 of 13
Enrollment change since 2017-18
ranked fastest growth first
+20.9%#16 of 131#2 of 6
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
2,661
+44 (+2%) vs 2020
+11% since 1990-91, when it was 2,398
Student : Teacher
17.1:1
was 17.9:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-252,661155.917.1:169% (1,839)
2023-242,740166.716.4:153% (1,445)
2022-232,757160.817.1:147% (1,309)
2020-212,61714617.9:1N/A
2017-182,201133.116.5:134% (759)
2015-162,85016117.7:127% (774)
2010-112,80413720.5:120% (567)
2000-012,21413716.2:18% (171)
1990-912,39815115.9:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Osbourn Park High.

Since 2017-18: students up 21% (2,201 to 2,661); teachers up 17% (133.1 to 155.9).

About Osbourn Park High

This page covers Osbourn Park High, a large high school in Manassas, Virginia. Federal data show 2,661 students enrolled in grades 9 through 12 in 2024-25. On average, high schools in Virginia enroll around 1,213, and this school is 119% larger than that mark.

The Prince William County Public Schools system has 95 schools and 90,242 students.

The largest racial or ethnic group at Osbourn Park High is Hispanic, with 46% of students. Other groups include 20% White, 16% Black, 14% Asian, and 4% multiracial. The county population is about 26% Hispanic. On the diversity index, which measures the chance that two random students are from different groups, Osbourn Park High scores 71%.

Teacher count: 155.9 full-time equivalents. Student-to-teacher ratio: 17.1:1. The gap from the 13.9:1 average for high schools in Virginia is 3.2 students per teacher. Eligibility for free or reduced-price lunch, often used to gauge student poverty, is 69%. The average for public schools in Prince William County is 55%.

On the allk12 Grade, Osbourn Park High lands at B-, ahead of 46% of Virginia public high schools.

A school with Osbourn Park High's lunch-eligibility share in Virginia is predicted to score 69.3%. Osbourn Park High scores 72.5%, 3.2 points above that line.

In the wider Prince William County area, median household income comes to about $131,402, 45% of adults hold a bachelor's degree or higher, and about 5% of people live in poverty. Prince William County's 102 public schools enroll about 89,591 students and include Osbourn Park High.

About 0.6 miles separate Osbourn Park High from the closest public school, Parkside Middle. Other public schools within five miles: at least 8. Osbourn Park High is 2nd of 8 nearby schools by average proficiency rate.

The school's setting, by NCES definition, is Suburb: Large: in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Enrollment in 2024-25 was 2,661, close to the 2,617 recorded in 2020-21.

The Osbourn Park High discussion page is a place for homework, tutoring, and testing dates. Teachers and staff are welcome to share updates too.

Prince William County at a glance

View full county profile
Population
488,880
Census ACS
Median income
$131,402
Household, ACS
Bachelor's+
45%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
102
89,591 students

Quick facts

School name
Osbourn Park High
District
Prince William County Public Schools
Address
8909 Euclid Ave, Manassas, VA 20111
Phone
(703) 365-6500
County
Prince William County
Level
High
Grade range
09–12
Total enrollment
2,661
Teachers (FTE)
156
Student–teacher ratio
17.1:1
Free and reduced lunch
1,839 (69%)
Locale
21-Suburb: Large
NCES ID
510313001313
Charter school
No
Virtual school
No

Related schools

Other schools in Prince William County Public Schools
Other schools in Manassas
Nearby schools

Frequently asked questions

About Osbourn Park High
What is the total enrollment at Osbourn Park High?
Osbourn Park High enrolls approximately 2,661 students in grades 09-12.
Is Osbourn Park High an elementary, middle, or high school?
Osbourn Park High is a high school covering grades 09-12.
How many teachers does Osbourn Park High have?
Osbourn Park High employs 156 FTE teachers, for a student-to-teacher ratio of 17.1:1.
What is the student diversity at Osbourn Park High?
Student demographics at Osbourn Park High are roughly 20% White, 46% Hispanic, 16% Black, 14% Asian, 4% Two or more.
Who oversees Osbourn Park High?
Osbourn Park High is overseen by Prince William County Public Schools in Prince William County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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