- Enrollment
- 2,898
- Students per teacher
- 17.5:1
- Resource Index
- 38/100
High school (grades 9-12) · Manassas, VA
Charles J. Colgan Sr. High
Federal NCES profile for Charles J. Colgan Sr. High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 510313003025
👥 S:T ratio 26
🌟 Gifted program 70
🎓 Counselors 26
📋 Attendance 43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Charles J. Colgan Sr. High earns 41/100 on the Resource Investment Index, with class sizes larger than 97% of Virginia schools. It is also one of the largest schools in Virginia.
- #4 of 4
- high schools in Manassas · Resource Index
- 41
- Resource Index · Typical
- 18.5:1
- large classes for Virginia
- 17.8%
- free-lunch eligible
Charles J. Colgan Sr. High has class sizes larger than 97% of Virginia schools. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, Charles J. Colgan Sr. High ranks #4 of 4 high schools in Manassas, VA.
School address
District: Prince William County Public Schools · Virginia
NCES ID 510313003025 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+38 students YoY
Charles J. Colgan Sr. High held near 2,945 students from 2022-23 to 2023-24 (+38 headcount).
Teacher FTE added 160.0 → 175.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+38 students YoY 510313003025 · Manassas, VA High · LARGE · TRAD
2,956 enr · 18.5:1 · 17.8% lunch · RII 41
Nearest enrollment peer: Woodbridge High (2,898 students)
Charles J. Colgan Sr. High held near 2,945 students from 2022-23 to 2023-24 (+38 headcount). Teacher FTE added 160.0 → 175.1 across the same CCD years. Read with this school → · District book → · Virginia schools → · Find another →
Charles J. Colgan Sr. High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Charles J. Colgan Sr. High
2,956 students
- Woodbridge Hig
Woodbridge High
2,898 students
- Osbourn Park H
Osbourn Park High
2,661 students
- Gainesville Hi
Gainesville High
2,648 students
- Gar-Field High
Gar-Field High
2,524 students
- Forest Park Hi
Forest Park High
2,343 students
What this shows Charles J. Colgan Sr. High reports 2,956 students on the CCD universe file.
How Charles J. Colgan Sr. High compares
Charles J. Colgan Sr. High held steady on CCD headcount: ratios and free-lunch share vs Virginia and U.S. means.
| Metric | This school | vs Virginia | Virginia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.5:1 | ▲ 33% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 17.8% | ▼ 69% | 57.6% | 51.7% |
| Enrollment | 2,956 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.5:1
Leaner classes than 22% of US schools, heavier class loads than most.
2,956
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
17.8%
free-lunch eligible
- 69% below the Virginia average of 57.6%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
18.5:1
students per teacher
- 33% above state mean
Top 97% in Virginia - lower ratio than 3% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
22.9%
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
$15,373
per pupil, district-wide
- below Virginia avg of $15,892
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors8.0 FTE
Per 370 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 67 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 2.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 40.2%
Hispanic or Latino 22.3%
African American 18.7%
Asian 10.6%
Two or More 7.7%
Native Hawaiian / Pacific Islander 0.3%
American Indian / Alaska Native 0.2%
Largest group: White at 40.2% of enrollment.
Student-body diversity index 73.7/100
Simpson diversity index - at 73.7, Charles J. Colgan Sr. High is more mixed than the Virginia school average of 53.7.
Programs
AP courses offered 29
Gifted & talented Yes
District finance for Prince William County Public Schools reports $15,373 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Charles J. Colgan Sr. High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Woodbridge High | Similar size | Higher economic need | Similar S:T ratio |
| Osbourn Park High | Similar size | Higher economic need | Lower S:T ratio |
| Gainesville High | Similar size | Similar economic need | Higher S:T ratio |
| Gar-Field High | Similar size | Higher economic need | Lower S:T ratio |
| Forest Park High | Similar size | Higher economic need | Similar S:T ratio |
Comparisons are relative to Charles J. Colgan Sr. High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,661
- Students per teacher
- 16.6:1
- Resource Index
- 42/100
- 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.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~2,956 students)
Frequently asked questions about Charles J. Colgan Sr. High
How many students attend Charles J. Colgan Sr. High?
Charles J. Colgan Sr. High has 2,956 students enrolled. It is a high school in Manassas, VA. CCD year-over-year: 2,907 (2022-23) → 2,945 (2023-24), nearly flat (+38).
What is the student-teacher ratio at Charles J. Colgan Sr. High?
The student-teacher ratio at Charles J. Colgan Sr. High is 18.5:1, which is 33% higher than the Virginia average of 13.9:1 and 18% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Charles J. Colgan Sr. High?
17.8% of students at Charles J. Colgan Sr. High are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of Charles J. Colgan Sr. High?
The largest demographic group at Charles J. Colgan Sr. High is White at 40.2% of enrollment, in Manassas, VA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.7/100.
What is the Resource Investment Index for Charles J. Colgan Sr. High?
Charles J. Colgan Sr. High has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Charles J. Colgan Sr. High rank among high schools in Manassas?
By Resource Investment Index, Charles J. Colgan Sr. High ranks #4 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.
What other schools are in Prince William County Public Schools?
Besides Charles J. Colgan Sr. High, Prince William County Public Schools also operates Woodbridge High (2,898 students), Osbourn Park High (2,661 students), and Gainesville High (2,648 students). See the Prince William County Public Schools district page for the complete list.