Seneca Valley High School is a public high school serving grades 9–12 in Germantown, Maryland, United States. It is part of the Montgomery County Public Schools system. The current building was finished in 2021, and has a capacity of 2,537 students.
Serving 2,386 students in grades 9-12, Seneca Valley High School ranks in the top 50% of all schools in Maryland for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 22% (which is lower than the Maryland state average of 27%). The percentage of students achieving proficiency in reading/language arts is 59% (which is higher than the Maryland state average of 45%).
The student-teacher ratio of 15:1 is higher than the Maryland state level of 14:1.
Minority enrollment is 88% of the student body (majority Black and Hispanic), which is higher than the Maryland state average of 68% (majority Black and Hispanic).
Quick Facts (2026)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 2,386 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 88%
- Graduation Rate: 86% (Btm 50% in MD)
- Overall Testing Rank: Top 50%
- Math Proficiency: 22% (Btm 50%)
- Reading Proficiency: 59% (Top 30%)
- Science Proficiency: 47% (Top 30%)
- Source: National Center for Education Statistics (NCES), MD Dept. of Education
<Â鶹¹û¶³´«Ã½ class="so-dt-title" id="top-rankings">Top Rankings
Seneca Valley High School ranks among the top 20% of public schools in Maryland for:
Category
Attribute
Diversity
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id="overview">School Overview <Â鶹¹û¶³´«Ã½ class='so-dt-title' id="school-rankings">School Rankings
Seneca Valley High School's student population of 2,386 students has grown by 44% over five school years.
The teacher population of 159 teachers has grown by 35% over five school years.
School Type
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
2,386 students
Gender %
Total Classroom Teachers
159 teachers
Year Founded
1974
Colors
Green, Gold
Last Day of School
Thu. Jun 11, 2026
Campus Size
440,000-square-foot (41,000 m2)
School Motto
Through an anti-biased and anti-racist lens, our staff is committed to providing rigorous instruction, creating safe and inclusive classrooms, and promoting personal and social responsibility by building meaningful trusting relationships with students and
Seneca Valley High School ranks within the top 50% of all 1,338 schools in Maryland (based off of combined math and reading proficiency testing data).
The diversity score of Seneca Valley High School is 0.72, which is less than the diversity score at state average of 0.74. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#508 out of 1338 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
22%
27%
Reading/Language Arts Test Scores (% Proficient)
59%
45%
Science Test Scores (% Proficient)
47%
36%
Student-Teacher Ratio
15:1
14:1
American Indian
n/a
n/a
Asian
11%
7%
Hispanic
35%
23%
Black
37%
33%
White
12%
32%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Graduation Rate
86%
86%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
41%
44%
Eligible for Reduced Lunch
7%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MD Dept. of Education
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id="school-notes">School Notes- School Mascot: Screaming Eagles
Profile last updated: 02/09/2025
<Â鶹¹û¶³´«Ã½ class='so-dt-title' id='faq'>Frequently Asked Questions What is Seneca Valley High School's ranking?
Seneca Valley High School is ranked #508 out of 1,338 schools, which ranks it among the top 50% of public schools in Maryland.
What schools are Seneca Valley High School often compared to?
Seneca Valley High Schoolis often viewed alongside schools like Northwest High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
22% of students have achieved math proficiency (compared to the 27% MD state average), while 59% of students have achieved reading proficiency (compared to the 45% MD state average).
What is the graduation rate of Seneca Valley High School?
The graduation rate of Seneca Valley High School is 86%, which is equal to the Maryland state average of 86%.
How many students attend Seneca Valley High School?
2,386 students attend Seneca Valley High School.
What is the racial composition of the student body?
37% of Seneca Valley High School students are Black, 35% of students are Hispanic, 12% of students are White, 11% of students are Asian, and 5% of students are Two or more races.
What is the student-teacher ratio of Seneca Valley High School?
Seneca Valley High School has a student ration of 15:1, which is higher than the Maryland state average of 14:1.
What grades does Seneca Valley High School offer ?
Seneca Valley High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Seneca Valley High School part of?
Seneca Valley High School is part of Montgomery County Public Schools.
School ReviewsReview Seneca Valley High School. Reviews should be a few sentences in length. Please include any comments on:
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Review Seneca Valley High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
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