Very Good
#510 of 1,363 schools in MD
Top 37% in state
Seneca Valley High
High School · Montgomery County Public Schools
19401 Crystal Rock Dr, Germantown, MD 20874
Enrollment
2,386
Student-Teacher
15.1:1
Score
7.0
Grades
9th – 12th
Enrollment
2,386
Student-Teacher
15.1:1
Score
7.0
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Germantown
#6 of 20
public schools
Maryland high schools
#7 of 226
In district
#82 of 206
Montgomery County Public Schools
About Seneca Valley High
Seneca Valley High serves 2,386 students in grades 9-12 in Germantown, Maryland, operating as a regular public school within Montgomery County's education system. With 158 full-time equivalent teachers, the school maintains a student-teacher ratio of 15.1:1, providing reasonable class sizes for this large high school environment. Academically, Seneca Valley High earns a MySchoolScout rating of 6.3 out of 10 and ranks 485th out of 1,364 Maryland high schools, placing it in the 64th percentile statewide.
The school shows stronger performance in English Language Arts, where 59% of students achieve proficiency or above across grade levels. Mathematics presents an area with significant room for growth, as 26% of students demonstrate proficiency or above. The school's academic score of 7.0 out of 10 reflects its overall educational standing.
The school draws from the affluent Germantown community, where the median household income reaches $108,211 and nearly half of residents hold bachelor's degrees or higher. With a low poverty rate of 8.2% and median home values around $376,100, the 20874 ZIP code represents a well-established suburban area. Seneca Valley High is situated in this large suburban setting on Crystal Rock Drive, serving families in one of Montgomery County's thriving residential communities.
What Parents Should Know
Seneca Valley High is a large school with 2,386 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.
Score Breakdown
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Seneca Valley High — Students at Seneca Valley High score 43% proficient, which is below what's typical for similar communities (expected: 44%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
47.5%
Students qualifying for federal meal assistance
Test Scores MD MCAP (2024-25)
Based on 7 test records from MD state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 5.4/10.
How Seneca Valley High Compares
See how Seneca Valley High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2020-21 · Source: CRDC via Urban Institute · Learn more
Performance Trends
Math proficiency has declined from 32% (2019) to 26% (2022). Reading/ELA proficiency has improved from 51% (2019) to 59.3% (2025).
Location
19401 Crystal Rock Dr, Germantown, MD 20874
Nearby Alternatives
Families considering Seneca Valley High may also want to explore other high schools in the area. Spark M. Matsunaga Elementary (rated 8.3/10, 2.3 miles away), which scores notably higher. Another option is FELLOWSHIP CHRISTIAN SCHOOL (rated 8.1/10, 1.2 miles away), which scores notably higher. Additionally, Martin Luther King Jr. Middle (rated 7.2/10, 1.2 miles away), with a very similar rating. For more schools in Germantown, see our Germantown schools guide .
Nearby Schools
20 within 2.6 mi| School | Distance | Rating |
|---|---|---|
| S. Christa McAuliffe Elementary Germantown | 0.6 mi | 6.9 |
| Germantown Elementary Germantown | 0.8 mi | 6.2 |
| Waters Landing Elementary Germantown | 1.0 mi | 6.0 |
| Clopper Mill Elementary Germantown | 1.1 mi | 6.3 |
| Roberto W. Clemente Middle Germantown | 1.1 mi | 5.1 |
| Lake Seneca Elementary Germantown | 1.2 mi | 5.5 |
| FELLOWSHIP CHRISTIAN SCHOOL Germantown | 1.2 mi | 8.1 |
| Martin Luther King Jr. Middle Germantown | 1.2 mi | 7.2 |
| Fox Chapel Elementary Germantown | 1.2 mi | 5.2 |
| Kingsview Middle Germantown | 1.3 mi | 5.9 |
| Great Seneca Creek Elementary Germantown | 1.6 mi | 5.9 |
| Dr. Ronald E. McNair Elementary Germantown | 1.5 mi | 6.4 |
| Northwest High Germantown | 1.8 mi | 5.7 |
| Neelsville Middle Germantown | 1.8 mi | 6.7 |
| William B. Gibbs Jr. Elementary Germantown | 2.1 mi | 7.2 |
| Captain James E. Daly Elementary Germantown | 2.0 mi | 7.1 |
| Longview School Germantown | 2.3 mi | 4.4 |
| Spark M. Matsunaga Elementary Germantown | 2.3 mi | 8.3 |
| OPTIMAL LEARNING SCHOOL Germantown | 2.6 mi | — |
| Dr. Sally K. Ride Elementary Germantown | 2.6 mi | 6.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 20874 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$109,648
Median Home Value
$385,300
Median Rent
$1,938/mo
Population
62,233
College Educated
48.7%
Homeownership
65.9%
Avg Commute
32.8 min
Poverty Rate
8.2%
Median Age
37.8
Community Profile
The community surrounding Seneca Valley High has a median household income of $109,648. It is a well-educated community where 49% of adults hold a bachelor's degree or higher. The median home value in the area is $385,300, with a median rent of $1,938/month. The local poverty rate of 8.2% is relatively low. The average commute for residents is 33 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Quince Orchard High Gaithersburg, MD | 7.0 |
| Rockville High Rockville, MD | 7.1 |
| Col. Zadok Magruder High Rockville, MD | 6.7 |
| Northwood High Silver Spring, MD | 6.7 |
| Kenwood High Baltimore, MD | 6.6 |
| Watkins Mill High Gaithersburg, MD | 6.6 |
Frequently Asked Questions
Common questions about Seneca Valley High
What grades does Seneca Valley High serve?
Seneca Valley High serves students in grades 9th through 12th.
How many students attend Seneca Valley High?
Seneca Valley High has an enrollment of approximately 2,386 students.
What is the student-teacher ratio at Seneca Valley High?
The student-teacher ratio at Seneca Valley High is 15.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Seneca Valley High rank in MD?
Seneca Valley High is ranked #510 out of 1,363 schools in MD.
What is Seneca Valley High's MySchoolScout rating?
Seneca Valley High has a composite rating of 7.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Seneca Valley High?
Based on the most recent state assessment data, Seneca Valley High has 31.7% math proficiency and 56.3% reading/ELA proficiency.
Is Seneca Valley High a charter school?
No, Seneca Valley High is not a charter school. It is a traditional public school operated by the local school district.
Is Seneca Valley High a Title I school?
No, Seneca Valley High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Seneca Valley High?
47.5% of students at Seneca Valley High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
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Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,386
- Student-Teacher Ratio
- 15.1:1
- Teachers (FTE)
- 158
- Free/Reduced Lunch
- 47.5%
- Type
- regular
- Setting
- Large Suburb
- County
- Montgomery County
- Phone
- (240) 740-6400
- Data Year
- 2023–2024
Resources & Links
District
Montgomery County Public Schools- District Enrollment
- 160,223
- Schools in District
- 211
- Per-Pupil Spending
- $19,456
- District Rank
- #82 of 206
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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