Serving 2,294 students in grades 9-12, Seneca Valley High School ranks in the top 20% of all schools in Pennsylvania for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 80% (which is higher than the Pennsylvania state average of 36%). The percentage of students achieving proficiency in reading/language arts is 71% (which is higher than the Pennsylvania state average of 55%).
The student:teacher ratio of 13:1 is equal to the Pennsylvania state level of 13:1.
Minority enrollment is 13% of the student body (majority Hispanic and Asian), which is lower than the Pennsylvania state average of 39% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 2,294 students
- Student:Teacher Ratio: 13:1
- Minority Enrollment: 13%
- Graduation Rate: 98% (Top 5% in PA)
- Overall Testing Rank: Top 20%
- Math Proficiency: 80% (Top 10%)
- Reading Proficiency: 71% (Top 30%)
- Science Proficiency: 40-59% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PA Dept. of Education
Top Rankings
Seneca Valley High School ranks among the top 20% of public schools in Pennsylvania for:
Category
Attribute
Overall Rank
Most improved public schools
Math Proficiency
Graduation Rate
School Overview
Seneca Valley High School's student population of 2,294 students has stayed relatively flat over five school years.
The teacher population of 171 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
2,294 students
Gender %
Total Classroom Teachers
171 teachers
School Rankings
Seneca Valley High School ranks within the top 20% of all 2,733 schools in Pennsylvania (based off of combined math and reading proficiency testing data).
The diversity score of Seneca Valley High School is 0.24, which is less than the diversity score at state average of 0.59. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#324 out of 2733 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
80%
36%
Reading/Language Arts Test Scores (% Proficient)
71%
55%
Science Test Scores (% Proficient)
40-59%
57%
Student : Teacher Ratio
13:1
13:1
American Indian
n/a
n/a
Asian
3%
5%
Hispanic
4%
15%
Black
2%
14%
White
87%
61%
Hawaiian
n/a
n/a
Two or more races
4%
5%
All Ethnic Groups
Graduation Rate
98%
87%
Eligible for Free Lunch
22%
60%
Eligible for Reduced Lunch
1%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Seneca Valley High School's ranking?
Seneca Valley High School is ranked #324 out of 2,733 schools, which ranks it among the top 20% of public schools in Pennsylvania.
What schools are Seneca Valley High School often compared to?
Seneca Valley High Schoolis often viewed alongside schools like Mars Area Sr. High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
80% of students have achieved math proficiency (compared to the 36% PA state average), while 71% of students have achieved reading proficiency (compared to the 55% PA state average).
What is the graduation rate of Seneca Valley High School?
The graduation rate of Seneca Valley High School is 98%, which is higher than the Pennsylvania state average of 87%.
How many students attend Seneca Valley High School?
2,294 students attend Seneca Valley High School.
What is the racial composition of the student body?
87% of Seneca Valley High School students are White, 4% of students are Hispanic, 4% of students are Two or more races, 3% of students are Asian, and 2% of students are Black.
What is the student:teacher ratio of Seneca Valley High School?
Seneca Valley High School has a student ration of 13:1, which is equal to the Pennsylvania state average of 13:1.
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 Seneca Valley School District.
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