- Enrollment
- 2,956
- Students per teacher
- 18.5:1
- Resource Index
- 41/100
Other / mixed grade configuration · Manassas, VA
C.a. Sinclair Elementary
Federal NCES profile for C.a. Sinclair Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataOther / mixed grade configurationNCES 510313001289
👥 S:T ratio 51
🌟 Gifted program 70
🎓 Counselors 58
📋 Attendance 36
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
C.a. Sinclair Elementary earns 54/100 on the Resource Investment Index, with class sizes smaller than 76% of Virginia schools.
- #4 of 18
- schools in Manassas · Resource Index
- 54
- Resource Index · Higher
- 12.2:1
- small classes for Virginia
- 79.8%
- free-lunch eligible
C.a. Sinclair Elementary has class sizes smaller than 76% of Virginia schools. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, C.a. Sinclair Elementary ranks #4 of 18 schools in Manassas, VA.
School address
District: Prince William County Public Schools · Virginia
NCES ID 510313001289 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-145 students YoY
C.a. Sinclair Elementary shrank from 818 students in 2022-23 to 673 in 2023-24 (-17.7%).
Teacher FTE lost 52.8 → 44.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-145 students YoY 510313001289 · Manassas, VA Other · MID · TRAD
636 enr · 12.2:1 · 79.8% lunch · RII 54
Nearest enrollment peer: Charles J. Colgan Sr. High (2,956 students)
C.a. Sinclair Elementary shrank from 818 students in 2022-23 to 673 in 2023-24 (-17.7%). Teacher FTE lost 52.8 → 44.3 across the same CCD years. Read with this school → · District book → · Virginia schools → · Find another →
C.a. Sinclair Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Charles J. Col
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
- This school 636
C.a. Sinclair Elementary
636 students
What this shows C.a. Sinclair Elementary reports 636 students on the CCD universe file.
How C.a. Sinclair Elementary compares
C.a. Sinclair Elementary is a shrinking campus on CCD: ratios and free-lunch share vs Virginia and U.S. means.
| Metric | This school | vs Virginia | Virginia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.2:1 | ▼ 12% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 79.8% | ▲ 39% | 57.6% | 51.7% |
| Enrollment | 636 | top 38% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.2:1
Leaner classes than 74% of US schools, among the more generously staffed nationally.
636
Bigger than 76% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
79.8%
free-lunch eligible
- 39% 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
12.2:1
students per teacher
- 12% below state mean
Top 24% in Virginia - lower ratio than 76% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
25.5%
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
Counselors3.0 FTE
Per 212 students, the combined health-and-guidance staffing load for this school.
Discipline context
7
in-school suspensions + 5 out-of-school
Suspension rate: 1.1 per 100 students. Combined in-school and out-of-school rate: 1.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 53.3%
Asian 20.0%
African American 13.4%
White 8.3%
Two or More 4.9%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 53.3% of enrollment.
Student-body diversity index 64.9/100
Simpson diversity index - at 64.9, C.a. Sinclair Elementary is more mixed than the Virginia school average of 53.7.
Programs
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 C.a. Sinclair Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Charles J. Colgan Sr. High | Larger | Lower economic need | Higher S:T ratio |
| Woodbridge High | Larger | Lower economic need | Higher S:T ratio |
| Osbourn Park High | Larger | Lower economic need | Higher S:T ratio |
| Gainesville High | Larger | Lower economic need | Higher S:T ratio |
| Gar-Field High | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to C.a. Sinclair Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,898
- Students per teacher
- 17.5:1
- Resource Index
- 38/100
- 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
Similar other schools in Manassas
6 comparable other schools (grades Mixed) serving the same city.
Yorkshire Elementary
Standard public school
851 students 15.2:1 students per teacher
Signal Hill Elementary
Standard public school
807 students 17.2:1 students per teacher
Bennett Elementary
Standard public school
746 students 16.2:1 students per teacher
Ashland Elementary
Standard public school
738 students 16.4:1 students per teacher
George P. Mullen Elementary
Standard public school
667 students 13.3:1 students per teacher
Thurgood Marshall Elementary
Standard public school
642 students 17.4:1 students per teacher
Nationwide other 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 (~636 students)
Similar student-teacher ratio (~12.2:1)
Frequently asked questions about C.a. Sinclair Elementary
How many students attend C.a. Sinclair Elementary?
C.a. Sinclair Elementary has 636 students enrolled. It is a public school in Manassas, VA. CCD year-over-year: 818 (2022-23) → 673 (2023-24), down 145.
What is the student-teacher ratio at C.a. Sinclair Elementary?
The student-teacher ratio at C.a. Sinclair Elementary is 12.2:1, which is 12% lower than the Virginia average of 13.9:1 and 22% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at C.a. Sinclair Elementary?
79.8% of students at C.a. Sinclair Elementary are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of C.a. Sinclair Elementary?
The largest demographic group at C.a. Sinclair Elementary is Hispanic or Latino at 53.3% of enrollment, in Manassas, VA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.9/100.
What is the Resource Investment Index for C.a. Sinclair Elementary?
C.a. Sinclair Elementary has a Resource Investment Index of 54/100 (higher 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 C.a. Sinclair Elementary rank among schools in Manassas?
By Resource Investment Index, C.a. Sinclair Elementary ranks #4 of 18 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 schools in Manassas on the city page.
What other schools are in Prince William County Public Schools?
Besides C.a. Sinclair Elementary, Prince William County Public Schools also operates Charles J. Colgan Sr. High (2,956 students), Woodbridge High (2,898 students), and Osbourn Park High (2,661 students). See the Prince William County Public Schools district page for the complete list.