Enrollment
2,409
Maryland · 2024-25 NCES data
High school (grades 9-12) · Germantown, MD
Seneca Valley High
Federal NCES profile for Seneca Valley High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 240048000918
👥 S:T ratio 38
📚 AP courses 50
🌟 Gifted program 70
🎓 Counselors 31
📋 Attendance 25
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Seneca Valley High earns 43/100 on the Resource Investment Index, with class sizes near the Maryland median. It is also one of the largest schools in Maryland.
- #11 of 20
- public schools in Germantown · Resource Index
- 43
- Resource Index · Typical
- 15.6:1
- students per teacher
- 50.8%
- free-lunch eligible
Seneca Valley High has class sizes near the Maryland median. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Seneca Valley High ranks #11 of 20 public schools in Germantown, MD.
School address
District: Montgomery County Public Schools · Maryland
NCES ID 240048000918 Verify on NCES CCD record →
Teachers (FTE)
154.0
Federal CCD staff survey
Students per teacher
15.6:1
vs 14.5:1 Maryland avg
+8% vs state
Free-lunch eligible
50.8%
vs 49.0% Maryland avg
+4% vs state
Student-teacher ratio in context
How Seneca Valley High compares with Maryland and U.S. medians
What stands out at Seneca Valley High
Seneca Valley High is a higher-need, large high school in Germantown, Maryland, enrolling 2,409 students.
Class loads run somewhat heavier than typical: 15.6:1 puts it in the larger third of Maryland schools by student-teacher ratio.
Its free-meal eligibility rate of 50.8% lands close to the Maryland typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Maryland, bigger than 99% of state schools at 2,409 students.
Its Resource Investment Index sits near the middle of the pack among 1,382 scored Maryland schools.
Against 46 statewide peers matched on enrollment and economic need, it ranks mid-pack at #24.
Its student body is led by African American (37%) and Hispanic or Latino (36%) (diversity index 71/100).
On the academic-pipeline side it reports 10 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 344 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 30.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Germantown's high schools, it stands alongside Northwest High (2,300 students): Seneca Valley High is larger than that campus by headcount and runs leaner classes (15.6:1 vs 16:1).
Montgomery County Public Schools also operates Montgomery Blair High (3,266 students) and Walter Johnson High (3,016 students) alongside Seneca Valley 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 Seneca Valley High compares
Seneca Valley High on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.6:1 | ▲ 8% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 50.8% | ▲ 4% | 49.0% | 51.7% |
| Enrollment | 2,409 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.6:1
Leaner classes than 41% of US schools, a middle-of-the-pack class size.
2,409
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
50.8%
free-lunch eligible
- 4% above the Maryland average of 49.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
15.6:1
students per teacher
- 8% above state mean
Top 65% in Maryland - lower ratio than 35% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
30.2%
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
$18,101
per pupil, district-wide
- below Maryland avg of $20,446
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors7.0 FTE
Per 344 students, the combined health-and-guidance staffing load for this school.
Discipline context
12
in-school suspensions + 61 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 3.0 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 37.1%
Hispanic or Latino 35.8%
White 11.4%
Asian 11.2%
Two or More 4.4%
American Indian / Alaska Native 0.1%
Largest group: African American at 37.1% of enrollment.
Student-body diversity index 70.7/100
Simpson diversity index - at 70.7, Seneca Valley High is more mixed than the Maryland school average of 52.3.
Programs
AP courses offered 10
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Montgomery County Public Schools, which includes Seneca Valley High.
$18,101
Per student
-11%
vs Maryland
Avg $20,446
+9%
vs U.S.
Avg $16,593
Revenue mix
Local 66.0%
State 23.7%
Federal 10.3%
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 Seneca Valley High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Montgomery Blair High | Larger | Similar economic need | Similar S:T ratio |
| Walter Johnson High | Larger | Lower economic need | Higher S:T ratio |
| Wheaton High | Similar size | Similar economic need | Higher S:T ratio |
| Gaithersburg High | Similar size | Similar economic need | Similar S:T ratio |
| Bethesda-Chevy Chase High | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Seneca Valley High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,266
- Students per teacher
- 17:1
- Resource Index
- 52/100
- Enrollment
- 3,016
- Students per teacher
- 19.1:1
- Resource Index
- 51/100
- Enrollment
- 2,794
- Students per teacher
- 17.8:1
- Resource Index
- 43/100
- Enrollment
- 2,441
- Students per teacher
- 14.4:1
- Resource Index
- 56/100
- Enrollment
- 2,377
- Students per teacher
- 18.3:1
- Resource Index
- 50/100
Similar high schools in Germantown
1 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 Maryland, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~2,409 students)
Similar student-teacher ratio (~15.6:1)
Next steps
Verify locally before acting on Seneca Valley High's federal record.
- Compare Seneca Valley High against another school. Compare schools
- Montgomery 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 Seneca Valley High
How many students attend Seneca Valley High?
Seneca Valley High has 2,409 students enrolled. It is a high school in Germantown, MD.
What is the student-teacher ratio at Seneca Valley High?
The student-teacher ratio at Seneca Valley High is 15.6:1, which is 8% higher than the Maryland average of 14.5:1 and 1% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Seneca Valley High?
50.8% of students at Seneca Valley High are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Seneca Valley High?
The largest demographic group at Seneca Valley High is African American at 37.1% of enrollment, in Germantown, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.7/100.
What is the Resource Investment Index for Seneca Valley High?
Seneca Valley High has a Resource Investment Index of 43/100 (typical 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 Seneca Valley High rank among public schools in Germantown?
By Resource Investment Index, Seneca Valley High ranks #11 of 20 public schools in Germantown, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Germantown on the city page.
Is Seneca Valley High a good school?
Seneca Valley High earns 43/100 on the Resource Investment Index, with class sizes near the Maryland median. It is also one of the largest schools in Maryland. 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 Montgomery County Public Schools?
Besides Seneca Valley High, Montgomery County Public Schools also operates Montgomery Blair High (3,266 students), Walter Johnson High (3,016 students), and Wheaton High (2,794 students). See the Montgomery 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.