- Enrollment
- 2,956
- Students per teacher
- 18.5:1
- Resource Index
- 41/100
Other / mixed grade configuration · Manassas, VA
Sudley Elementary
Federal NCES profile for Sudley Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataOther / mixed grade configurationNCES 510313001323
👥 S:T ratio 46
🌟 Gifted program 70
🎓 Counselors 38
📋 Attendance 43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sudley Elementary earns 49/100 on the Resource Investment Index, with class sizes near the Virginia median.
- #11 of 18
- schools in Manassas · Resource Index
- 49
- Resource Index · Higher
- 13.5:1
- students per teacher
- 69.9%
- free-lunch eligible
Sudley Elementary has class sizes near the Virginia median. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, Sudley Elementary ranks #11 of 18 schools in Manassas, VA.
School address
District: Prince William County Public Schools · Virginia
NCES ID 510313001323 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-37 students YoY
Sudley Elementary shrank from 647 students in 2022-23 to 610 in 2023-24 (-5.7%).
Teacher FTE lost 46.3 → 42.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-37 students YoY 510313001323 · Manassas, VA Other · MID · TRAD
623 enr · 13.5:1 · 69.9% lunch · RII 49
Nearest enrollment peer: Charles J. Colgan Sr. High (2,956 students)
Sudley Elementary shrank from 647 students in 2022-23 to 610 in 2023-24 (-5.7%). Teacher FTE lost 46.3 → 42.2 across the same CCD years. Read with this school → · District book → · Virginia schools → · Find another →
Sudley 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 623
Sudley Elementary
623 students
What this shows Sudley Elementary reports 623 students on the CCD universe file.
How Sudley Elementary compares
Sudley 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 | 13.5:1 | ▼ 3% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 69.9% | ▲ 21% | 57.6% | 51.7% |
| Enrollment | 623 | top 40% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.5:1
Leaner classes than 62% of US schools, a middle-of-the-pack class size.
623
Bigger than 75% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
69.9%
free-lunch eligible
- 21% 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
13.5:1
students per teacher
- 3% below state mean
Top 45% in Virginia - lower ratio than 55% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
22.6%
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
$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
Counselors2.0 FTE
Per 312 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 79.5%
White 8.2%
Asian 5.5%
African American 5.1%
Two or More 1.6%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 79.5% of enrollment.
Student-body diversity index 35.5/100
Simpson diversity index - at 35.5, Sudley Elementary is less 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 Sudley 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 | Similar economic need | Higher S:T ratio |
Comparisons are relative to Sudley 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 (~623 students)
Frequently asked questions about Sudley Elementary
How many students attend Sudley Elementary?
Sudley Elementary has 623 students enrolled. It is a public school in Manassas, VA. CCD year-over-year: 647 (2022-23) → 610 (2023-24), down 37.
What is the student-teacher ratio at Sudley Elementary?
The student-teacher ratio at Sudley Elementary is 13.5:1, which is 3% lower than the Virginia average of 13.9:1 and 14% 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 Sudley Elementary?
69.9% of students at Sudley Elementary are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of Sudley Elementary?
The largest demographic group at Sudley Elementary is Hispanic or Latino at 79.5% of enrollment, in Manassas, VA.
What is the Resource Investment Index for Sudley Elementary?
Sudley Elementary has a Resource Investment Index of 49/100 (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 Sudley Elementary rank among schools in Manassas?
By Resource Investment Index, Sudley Elementary ranks #11 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 Sudley 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.