Enrollment
1,550
Virginia · 2024-25 NCES data
High school (grades 9-12) · Winchester, VA
Millbrook High
Federal NCES profile for Millbrook High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 510147002337
👥 S:T ratio 45
📚 AP courses 95
🌟 Gifted program 70
🎓 Counselors 23
📋 Attendance 21
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Millbrook High earns 51/100 on the Resource Investment Index, with class sizes near the Virginia median.
- #2 of 3
- high schools in Winchester · Resource Index
- 51
- Resource Index · Higher
- 13.8:1
- students per teacher
- 37.1%
- free-lunch eligible
Millbrook High has class sizes near the Virginia median. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, Millbrook High ranks #2 of 3 high schools in Winchester, VA.
School address
District: Frederick County Public Schools · Virginia
NCES ID 510147002337 Verify on NCES CCD record →
Teachers (FTE)
112.0
Federal CCD staff survey
Students per teacher
13.8:1
vs 13.9:1 Virginia avg
-1% vs state
Free-lunch eligible
37.1%
vs 57.6% Virginia avg
-36% vs state
Student-teacher ratio in context
How Millbrook High compares with Virginia and U.S. medians
What stands out at Millbrook High
Millbrook High is a large high school in Winchester, Virginia, enrolling 1,550 students.
At 13.8:1, its student-teacher ratio sits close to the Virginia median, within a few percentage points of the 13.9:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 37.1% of students eligible for free meals.
By headcount it is one of the larger campuses in Virginia, bigger than 94% of state schools at 1,550 students.
Its Resource Investment Index lands in the lower third of 1,868 scored Virginia schools.
Among 105 similarly sized, similarly resourced-need Virginia schools statewide, it ranks #94, in the lower tier once campus size and economic need are matched.
Its student body is led by White (44%) and Hispanic or Latino (41%) (diversity index 62/100).
On the academic-pipeline side it reports 19 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 388 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 31.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 7 expulsions at this campus for 2021-22.
Among Winchester's high schools, it stands alongside James Wood High (1,462 students): Millbrook High is larger than that campus by headcount and runs heavier classes (13.8:1 vs 12.9:1).
Frederick County Public Schools also operates Sherando High (1,631 students) and James Wood High (1,462 students) alongside Millbrook 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 Millbrook High compares
Millbrook 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 | 13.8:1 | ▼ 1% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 37.1% | ▼ 36% | 57.6% | 51.7% |
| Enrollment | 1,550 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.8:1
Leaner classes than 59% of US schools, a middle-of-the-pack class size.
1,550
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
37.1%
free-lunch eligible
- 36% 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
13.8:1
students per teacher
- 1% below state mean
Top 51% in Virginia - lower ratio than 49% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
31.5%
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
$13,938
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
Counselors4.0 FTE
Per 388 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 229 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 14.8 per 100 students. Reported via the Civil Rights Data Collection. Includes 7 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
White 44.4%
Hispanic or Latino 41.4%
Two or More 5.7%
African American 5.5%
Asian 3.0%
American Indian / Alaska Native 0.1%
Largest group: White at 44.4% of enrollment.
Student-body diversity index 62.4/100
Simpson diversity index - at 62.4, Millbrook High is more mixed than the Virginia school average of 53.7.
Programs
AP courses offered 19
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Frederick County Public Schools, which includes Millbrook High.
$13,938
Per student
-5%
vs Virginia
Avg $14,649
-16%
vs U.S.
Avg $16,593
Revenue mix
Local 52.4%
State 39.5%
Federal 8.0%
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 Millbrook High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sherando High | Similar size | Similar economic need | Similar S:T ratio |
| James Wood High | Similar size | Similar economic need | Similar S:T ratio |
| James Wood Middle | Smaller | Similar economic need | Higher S:T ratio |
| Robert E. Aylor Middle | Smaller | Similar economic need | Higher S:T ratio |
| Admiral Richard E. Byrd Middle | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Millbrook High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,631
- Students per teacher
- 14.3:1
- Resource Index
- 43/100
- Enrollment
- 1,462
- Students per teacher
- 12.9:1
- Resource Index
- 50/100
- Enrollment
- 873
- Students per teacher
- 15.6:1
- Resource Index
- 41/100
- Enrollment
- 861
- Students per teacher
- 18.7:1
- Resource Index
- 39/100
- Enrollment
- 853
- Students per teacher
- 16.1:1
- Resource Index
- 44/100
Similar high schools in Winchester
2 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 (~1,550 students)
Similar student-teacher ratio (~13.8:1)
Next steps
Verify locally before acting on Millbrook High's federal record.
- Compare Millbrook High against another school. Compare schools
- Frederick 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 Millbrook High
How many students attend Millbrook High?
Millbrook High has 1,550 students enrolled. It is a high school in Winchester, VA.
What is the student-teacher ratio at Millbrook High?
The student-teacher ratio at Millbrook High is 13.8:1, which is 1% lower than the Virginia average of 13.9:1 and 12% 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 Millbrook High?
37.1% of students at Millbrook High are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of Millbrook High?
The largest demographic group at Millbrook High is White at 44.4% of enrollment, in Winchester, VA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.4/100.
What is the Resource Investment Index for Millbrook High?
Millbrook High has a Resource Investment Index of 51/100 (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 Millbrook High rank among high schools in Winchester?
By Resource Investment Index, Millbrook High ranks #2 of 3 high schools in Winchester, 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 Winchester on the city page.
Is Millbrook High a good school?
Millbrook High earns 51/100 on the Resource Investment Index, with class sizes near the Virginia median. 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 Frederick County Public Schools?
Besides Millbrook High, Frederick County Public Schools also operates Sherando High (1,631 students), James Wood High (1,462 students), and James Wood Middle (873 students). See the Frederick 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.