Enrollment
2,661
Virginia · 2024-25 NCES data
High school (grades 9-12) · Manassas, VA
Osbourn Park High
Federal NCES profile for Osbourn Park High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 510313001313
👥 S:T ratio 34
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 41
📋 Attendance 23
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Osbourn Park High earns 54/100 on the Resource Investment Index, with class sizes larger than 88% of Virginia schools. It is also one of the largest schools in Virginia.
- #3 of 4
- high schools in Manassas · Resource Index
- 54
- Resource Index · Higher
- 16.6:1
- large classes for Virginia
- 38.6%
- free-lunch eligible
Osbourn Park High has class sizes larger than 88% of Virginia schools. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, Osbourn Park High ranks #3 of 4 high schools in Manassas, VA.
School address
District: Prince William County Public Schools · Virginia
NCES ID 510313001313 Verify on NCES CCD record →
Teachers (FTE)
160.0
Federal CCD staff survey
Students per teacher
16.6:1
vs 13.9:1 Virginia avg
+19% vs state
Free-lunch eligible
38.6%
vs 57.6% Virginia avg
-33% vs state
Student-teacher ratio in context
How Osbourn Park High compares with Virginia and U.S. medians
What stands out at Osbourn Park High
Osbourn Park High is a large high school in Manassas, Virginia, enrolling 2,661 students.
Class loads run heavy: 16.6:1 is larger than about 88% of Virginia schools and 19% above the 13.9:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 38.6% of students eligible for free meals.
By headcount it is one of the larger campuses in Virginia, bigger than 99% of state schools at 2,661 students.
Its Resource Investment Index lands in the lower third of 1,868 scored Virginia schools.
Against 44 statewide peers matched on enrollment and economic need, it ranks mid-pack at #29.
Its student body is led by Hispanic or Latino (46%) and White (20%) (diversity index 71/100).
On the academic-pipeline side it reports 32 Advanced Placement courses.
Counselor coverage runs a bit thin, about 296 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 30.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Manassas's high schools, it stands alongside Charles J. Colgan Sr. High (2,956 students): Osbourn Park High is smaller than that campus by headcount and runs leaner classes (16.6:1 vs 18.5:1).
Prince William County Public Schools also operates Charles J. Colgan Sr. High (2,956 students) and Woodbridge High (2,898 students) alongside Osbourn Park High.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Osbourn Park High compares
Osbourn Park High on the metrics families compare, against Virginia and U.S. means.
| Metric | This school | vs Virginia | Virginia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.6:1 | ▲ 19% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 38.6% | ▼ 33% | 57.6% | 51.7% |
| Enrollment | 2,661 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.6:1
Leaner classes than 33% of US schools, heavier class loads than most.
2,661
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
38.6%
free-lunch eligible
- 33% below the Virginia average of 57.6%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.6:1
students per teacher
- 19% above state mean
Top 88% in Virginia - lower ratio than 12% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
30.6%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$13,913
per pupil, district-wide
- below Virginia avg of $14,649
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors9.0 FTE
Per 296 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 64 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 2.5 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 45.6%
White 20.1%
African American 16.0%
Asian 13.5%
Two or More 4.4%
Native Hawaiian / Pacific Islander 0.2%
American Indian / Alaska Native 0.1%
Largest group: Hispanic or Latino at 45.6% of enrollment.
Student-body diversity index 70.6/100
Simpson diversity index - at 70.6, Osbourn Park High is more mixed than the Virginia school average of 53.7.
Programs
AP courses offered 32
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Prince William County Public Schools, which includes Osbourn Park High.
$13,913
Per student
-5%
vs Virginia
Avg $14,649
-16%
vs U.S.
Avg $16,593
Revenue mix
Local 47.2%
State 44.1%
Federal 8.6%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Osbourn Park High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Charles J. Colgan Sr. High | Similar size | Lower economic need | Higher S:T ratio |
| Woodbridge High | Similar size | Similar economic need | Similar S:T ratio |
| Gainesville High | Similar size | Lower economic need | Higher S:T ratio |
| Gar-Field High | Similar size | Higher economic need | Similar S:T ratio |
| Forest Park High | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to Osbourn Park High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,956
- Students per teacher
- 18.5:1
- Resource Index
- 41/100
- Enrollment
- 2,898
- Students per teacher
- 17.5:1
- Resource Index
- 38/100
- Enrollment
- 2,648
- Students per teacher
- 20.9:1
- Resource Index
- 41/100
- Enrollment
- 2,524
- Students per teacher
- 16.7:1
- Resource Index
- 49/100
- Enrollment
- 2,343
- Students per teacher
- 18:1
- Resource Index
- 43/100
Similar high schools in Manassas
3 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Virginia, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~2,661 students)
Similar student-teacher ratio (~16.6:1)
Next steps
Verify locally before acting on Osbourn Park High's federal record.
- Compare Osbourn Park High against another school. Compare schools
- Prince William County Public Schools's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Osbourn Park High
How many students attend Osbourn Park High?
Osbourn Park High has 2,661 students enrolled. It is a high school in Manassas, VA.
What is the student-teacher ratio at Osbourn Park High?
The student-teacher ratio at Osbourn Park High is 16.6:1, which is 19% higher than the Virginia average of 13.9:1 and 6% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Osbourn Park High?
38.6% of students at Osbourn Park High are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of Osbourn Park High?
The largest demographic group at Osbourn Park High is Hispanic or Latino at 45.6% of enrollment, in Manassas, VA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.6/100.
What is the Resource Investment Index for Osbourn Park High?
Osbourn Park High has a Resource Investment Index of 54/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Osbourn Park High rank among high schools in Manassas?
By Resource Investment Index, Osbourn Park High ranks #3 of 4 high schools in Manassas, VA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Manassas on the city page.
Is Osbourn Park High a good school?
Osbourn Park High earns 54/100 on the Resource Investment Index, with class sizes larger than 88% of Virginia schools. It is also one of the largest schools in Virginia. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Prince William County Public Schools?
Besides Osbourn Park High, Prince William County Public Schools also operates Charles J. Colgan Sr. High (2,956 students), Woodbridge High (2,898 students), and Gainesville High (2,648 students). See the Prince William County Public Schools district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.