Enrollment
679
Virginia · 2024-25 NCES data
Elementary school (grades K-5) · Woodbridge, VA
Mary G. Porter Traditional
Federal NCES profile for Mary G. Porter Traditional, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
2024-25 NCES dataElementary school (grades K-5)NCES 510313002798
👥 S:T ratio 32
🌟 Gifted program 70
🎓 Counselors 32
📋 Attendance 93
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mary G. Porter Traditional earns 57/100 on the Resource Investment Index, with class sizes larger than 91% of Virginia schools.
- #4 of 40
- public schools in Woodbridge · Resource Index
- 57
- Resource Index · Higher
- 17:1
- large classes for Virginia
- 24.4%
- free-lunch eligible
Mary G. Porter Traditional has class sizes larger than 91% of Virginia schools. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, Mary G. Porter Traditional ranks #4 of 40 public schools in Woodbridge, VA.
School address
District: Prince William County Public Schools · Virginia
NCES ID 510313002798 Verify on NCES CCD record →
Teachers (FTE)
40.0
Federal CCD staff survey
Students per teacher
17:1
vs 13.9:1 Virginia avg
+22% vs state
Free-lunch eligible
24.4%
vs 57.6% Virginia avg
-58% vs state
Student-teacher ratio in context
How Mary G. Porter Traditional compares with Virginia and U.S. medians
What stands out at Mary G. Porter Traditional
Mary G. Porter Traditional is a mid-sized elementary school in Woodbridge, Virginia, enrolling 679 students.
Class loads run heavy: 17:1 is larger than about 91% of Virginia schools and 22% 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 24.4% of students eligible for free meals.
Enrollment of 679 puts it in the larger third of Virginia schools by headcount.
Its Resource Investment Index lands in the upper third of 1,868 scored Virginia schools.
Against 347 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #74.
Its student body is led by African American (46%) and Asian (22%) (diversity index 71/100).
Counselor availability sits well past the ASCA benchmark, roughly 340 students sharing each counselor, though short of the most stretched campuses.
Attendance holds up well here: only 2.8% of students were chronically absent, below the typical post-pandemic national figure.
Among Woodbridge's elementary schools, it stands alongside Occoquan Elementary (571 students): Mary G. Porter Traditional is larger than that campus by headcount and runs heavier classes (17:1 vs 14.3:1).
Prince William County Public Schools also operates Charles J. Colgan Sr. High (2,956 students) and Woodbridge High (2,898 students) alongside Mary G. Porter Traditional.
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 Mary G. Porter Traditional compares
Mary G. Porter Traditional on the metrics families compare, against Virginia and U.S. means.
| Metric | This school | vs Virginia | Virginia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17:1 | ▲ 22% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 24.4% | ▼ 58% | 57.6% | 51.7% |
| Enrollment | 679 | top 34% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17:1
Leaner classes than 30% of US schools, heavier class loads than most.
679
Bigger than 79% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
24.4%
free-lunch eligible
- 58% 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
17:1
students per teacher
- 22% above state mean
Top 91% in Virginia - lower ratio than 9% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
2.8%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
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
Counselors2.0 FTE
Per 340 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 24 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 3.8 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
African American 45.7%
Asian 22.1%
White 14.0%
Hispanic or Latino 10.8%
Two or More 7.4%
Native Hawaiian / Pacific Islander 0.1%
Largest group: African American at 45.7% of enrollment.
Student-body diversity index 70.6/100
Simpson diversity index - at 70.6, Mary G. Porter Traditional is more mixed than the Virginia school average of 53.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Prince William County Public Schools, which includes Mary G. Porter Traditional.
$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 Mary G. Porter Traditional Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Charles J. Colgan Sr. High | Larger | Similar economic need | Higher S:T ratio |
| Woodbridge High | Larger | Higher economic need | Similar S:T ratio |
| Osbourn Park High | Larger | Higher economic need | Similar S:T ratio |
| Gainesville High | Larger | Similar economic need | Higher S:T ratio |
| Gar-Field High | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Mary G. Porter Traditional'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
- 2,661
- 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 elementary schools in Woodbridge
1 comparable elementary schools (grades K-5) serving the same city.
Similar elementary 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 (~679 students)
Similar student-teacher ratio (~17:1)
Next steps
Verify locally before acting on Mary G. Porter Traditional's federal record.
- Compare Mary G. Porter Traditional 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 Mary G. Porter Traditional
How many students attend Mary G. Porter Traditional?
Mary G. Porter Traditional has 679 students enrolled. It is an elementary school in Woodbridge, VA.
What is the student-teacher ratio at Mary G. Porter Traditional?
The student-teacher ratio at Mary G. Porter Traditional is 17:1, which is 22% higher than the Virginia average of 13.9:1 and 8% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mary G. Porter Traditional?
24.4% of students at Mary G. Porter Traditional are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of Mary G. Porter Traditional?
The largest demographic group at Mary G. Porter Traditional is African American at 45.7% of enrollment, in Woodbridge, 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 Mary G. Porter Traditional?
Mary G. Porter Traditional has a Resource Investment Index of 57/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mary G. Porter Traditional rank among public schools in Woodbridge?
By Resource Investment Index, Mary G. Porter Traditional ranks #4 of 40 public schools in Woodbridge, VA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Woodbridge on the city page.
Is Mary G. Porter Traditional a good school?
Mary G. Porter Traditional earns 57/100 on the Resource Investment Index, with class sizes larger than 91% of Virginia schools. 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 Mary G. Porter Traditional, 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.
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.