Enrollment
2,301
Virginia · 2024-25 NCES data
High school (grades 9-12) · Manassas, VA
Osbourn High
Federal NCES profile for Osbourn High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 510236000978
👥 S:T ratio 31
📚 AP courses 80
🌟 Gifted program 70
🎓 Counselors 58
📋 Attendance 26
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Osbourn High earns 53/100 on the Resource Investment Index, with class sizes larger than 93% of Virginia schools. It is also one of the largest schools in Virginia.
- #2 of 4
- high schools in Manassas · Resource Index
- 53
- Resource Index · Higher
- 17.3:1
- large classes for Virginia
- 67.3%
- free-lunch eligible
Osbourn High has class sizes larger than 93% of Virginia schools. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, Osbourn High ranks #2 of 4 high schools in Manassas, VA.
School address
District: Manassas City Public Schools · Virginia
NCES ID 510236000978 Verify on NCES CCD record →
Teachers (FTE)
133.0
Federal CCD staff survey
Students per teacher
17.3:1
vs 13.9:1 Virginia avg
+24% vs state
Free-lunch eligible
67.3%
vs 57.6% Virginia avg
+17% vs state
Student-teacher ratio in context
How Osbourn High compares with Virginia and U.S. medians
What stands out at Osbourn High
Osbourn High is a higher-need, large high school in Manassas, Virginia, enrolling 2,301 students.
Class loads run heavy: 17.3:1 is larger than about 93% of Virginia schools and 24% above the 13.9:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 67.3% lands close to the Virginia typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Virginia, bigger than 99% of state schools at 2,301 students.
Its Resource Investment Index lands in the lower third of 1,868 scored Virginia schools.
Against 26 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #11.
Its student body is led by Hispanic or Latino (72%) and White (11%) (diversity index 46/100).
On the academic-pipeline side it reports 16 Advanced Placement courses.
Counselor coverage is strong, about 209 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 29.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 14 expulsions at this campus for 2021-22.
Among Manassas's high schools, it stands alongside Charles J. Colgan Sr. High (2,956 students): Osbourn High is smaller than that campus by headcount and runs leaner classes (17.3:1 vs 18.5:1).
Manassas City Public Schools also operates Grace E. Metz Middle (1,111 students) and Mayfield Intermediate (839 students) alongside Osbourn 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 High compares
Osbourn 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 | 17.3:1 | ▲ 24% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 67.3% | ▲ 17% | 57.6% | 51.7% |
| Enrollment | 2,301 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.3:1
Leaner classes than 29% of US schools, heavier class loads than most.
2,301
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
67.3%
free-lunch eligible
- 17% above the Virginia average of 57.6%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
17.3:1
students per teacher
- 24% above state mean
Top 93% in Virginia - lower ratio than 7% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
29.6%
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
$16,198
per pupil, district-wide
- above Virginia avg of $14,649
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors11.0 FTE
Per 209 students, the combined health-and-guidance staffing load for this school.
Discipline context
18
in-school suspensions + 36 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 2.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 14 expulsions.
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 71.9%
White 10.7%
African American 8.9%
Two or More 4.2%
Asian 3.9%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 71.9% of enrollment.
Student-body diversity index 46.0/100
Simpson diversity index - at 46.0, Osbourn High is less mixed than the Virginia school average of 53.7.
Programs
AP courses offered 16
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Manassas City Public Schools, which includes Osbourn High.
$16,198
Per student
+11%
vs Virginia
Avg $14,649
-2%
vs U.S.
Avg $16,593
Revenue mix
Local 42.9%
State 46.7%
Federal 10.4%
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 High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Grace E. Metz Middle | Smaller | Similar economic need | Lower S:T ratio |
| Mayfield Intermediate | Smaller | Similar economic need | No ratio data |
| Baldwin Elementary | Smaller | Similar economic need | Similar S:T ratio |
| Jennie Dean Elementary | Smaller | Similar economic need | Lower S:T ratio |
| Weems Elementary | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Osbourn High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,111
- Students per teacher
- 15.6:1
- Resource Index
- 48/100
- Enrollment
- 839
- Students per teacher
- -
- Resource Index
- 61/100
- Enrollment
- 631
- Students per teacher
- 17.1:1
- Resource Index
- 50/100
- Enrollment
- 579
- Students per teacher
- 15.6:1
- Resource Index
- 56/100
- Enrollment
- 556
- Students per teacher
- 15:1
- Resource Index
- 47/100
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 (~2,301 students)
Similar student-teacher ratio (~17.3:1)
Next steps
Verify locally before acting on Osbourn High's federal record.
- Compare Osbourn High against another school. Compare schools
- Manassas City 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 High
How many students attend Osbourn High?
Osbourn High has 2,301 students enrolled. It is a high school in Manassas, VA.
What is the student-teacher ratio at Osbourn High?
The student-teacher ratio at Osbourn High is 17.3:1, which is 24% higher than the Virginia average of 13.9:1 and 10% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Osbourn High?
67.3% of students at Osbourn High are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of Osbourn High?
The largest demographic group at Osbourn High is Hispanic or Latino at 71.9% of enrollment, in Manassas, VA.
What is the Resource Investment Index for Osbourn High?
Osbourn High has a Resource Investment Index of 53/100 (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 High rank among high schools in Manassas?
By Resource Investment Index, Osbourn High ranks #2 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 High a good school?
Osbourn High earns 53/100 on the Resource Investment Index, with class sizes larger than 93% 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 Manassas City Public Schools?
Besides Osbourn High, Manassas City Public Schools also operates Grace E. Metz Middle (1,111 students), Mayfield Intermediate (839 students), and Baldwin Elementary (631 students). See the Manassas City 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.