- Enrollment
- 3,266
- Students per teacher
- 17:1
- Resource Index
- 52/100
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 41/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 240048000918
👥 S:T ratio 38
🌟 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 41/100 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
- 41
- 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 →
CCD year-over-year · 2022-23 → 2023-24
+147 students YoY
Seneca Valley High grew from 2,239 students in 2022-23 to 2,386 in 2023-24 (+6.6%).
Teacher FTE added 154.6 → 158.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+147 students YoY 240048000918 · Germantown, MD High · LARGE · TRAD
2,409 enr · 15.6:1 · 50.8% lunch · RII 41
Nearest enrollment peer: Montgomery Blair High (3,266 students)
Seneca Valley High grew from 2,239 students in 2022-23 to 2,386 in 2023-24 (+6.6%). Teacher FTE added 154.6 → 158.8 across the same CCD years. Read with this school → · District book → · Maryland schools → · Find another →
Seneca Valley High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Montgomery Bla
Montgomery Blair High
3,266 students
- Walter Johnson
Walter Johnson High
3,016 students
- Wheaton High
Wheaton High
2,794 students
- Gaithersburg H
Gaithersburg High
2,441 students
- This school
Seneca Valley High
2,409 students
- Bethesda-Chevy
Bethesda-Chevy Chase High
2,377 students
What this shows Seneca Valley High reports 2,409 students on the CCD universe file.
How Seneca Valley High compares
Seneca Valley High is a growing campus on CCD: ratios and free-lunch share vs 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 methodology
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
$19,456
per pupil, district-wide
- above Maryland avg of $18,753
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.
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
District finance for Montgomery County Public Schools reports $19,456 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 3,016
- 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.
Nationwide high 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 (~2,409 students)
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. CCD year-over-year: 2,239 (2022-23) → 2,386 (2023-24), up 147.
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 41/100 (typical 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 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.
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.