Plymouth Whitemarsh High School is a public high school in Plymouth Meeting, Pennsylvania, US. It is part of the Colonial School District. Plymouth Whitemarsh is a public high school in the Philadelphia region, and is accredited by the Middle States Association of Colleges and Schools.
Serving 1,637 students in grades 9-12, Plymouth-whitemarsh Sr. High School ranks in the top 5% 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 76% (which is higher than the Pennsylvania state average of 38%). The percentage of students achieving proficiency in reading/language arts is 82% (which is higher than the Pennsylvania state average of 55%).
The student-teacher ratio of 15:1 is higher than the Pennsylvania state level of 13:1.
Minority enrollment is 30% of the student body (majority Black), which is lower than the Pennsylvania state average of 40% (majority Hispanic and Black).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,637 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 30%
- Graduation Rate: 96% (Top 10% in PA)
- Overall Testing Rank: Top 5%
- Math Proficiency: 76% (Top 10%)
- Reading Proficiency: 82% (Top 10%)
- Science Proficiency: 30-34% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PA Dept. of Education
Top Rankings
Plymouth-whitemarsh Sr. High School ranks among the top 20% of public schools in Pennsylvania for:
Category
Attribute
Overall Rank
Most improved public schools
Math Proficiency
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Plymouth-whitemarsh Sr. High School's student population of 1,637 students has grown by 8% over five school years.
The teacher population of 110 teachers has grown by 6% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,637 students
Total Classroom Teachers
110 teachers
Year Founded
1903
Colors
Blue, Scarlet
School Calendar
Last Day of School
Sat. Jun 13, 2026
School Rankings
Plymouth-whitemarsh Sr. High School ranks within the top 5% of all 2,733 schools in Pennsylvania (based off of combined math and reading proficiency testing data).
The diversity score of Plymouth-whitemarsh Sr. High School is 0.49, which is less than the diversity score at state average of 0.60. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#105 out of 2733 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
76%
38%
Reading/Language Arts Test Scores (% Proficient)
82%
55%
Science Test Scores (% Proficient)
30-34%
57%
Student-Teacher Ratio
15:1
13:1
American Indian
n/a
n/a
Asian
5%
5%
Hispanic
7%
16%
Black
13%
14%
White
70%
60%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Graduation Rate
96%
87%
Eligible for Free Lunch
30%
59%
Eligible for Reduced Lunch
2%
2%
School Statewide Testing
School District Name
Colonial School District
Source: National Center for Education Statistics (NCES), PA Dept. of Education
School Notes
- School Mascot: Colonials
Frequently Asked Questions
What is Plymouth-whitemarsh Sr. High School's ranking?
Plymouth-whitemarsh Sr. High School is ranked #105 out of 2,733 schools, which ranks it among the top 5% of public schools in Pennsylvania.
What schools are Plymouth-whitemarsh Sr. High School often compared to?
Plymouth-whitemarsh Sr. High Schoolis often viewed alongside schools like Wissahickon Sr. High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
76% of students have achieved math proficiency (compared to the 38% PA state average), while 82% of students have achieved reading proficiency (compared to the 55% PA state average).
What is the graduation rate of Plymouth-whitemarsh Sr. High School?
The graduation rate of Plymouth-whitemarsh Sr. High School is 96%, which is higher than the Pennsylvania state average of 87%.
How many students attend Plymouth-whitemarsh Sr. High School?
1,637 students attend Plymouth-whitemarsh Sr. High School.
What is the racial composition of the student body?
70% of Plymouth-whitemarsh Sr. High School students are White, 13% of students are Black, 7% of students are Hispanic, 5% of students are Asian, and 5% of students are Two or more races.
What is the student-teacher ratio of Plymouth-whitemarsh Sr. High School?
Plymouth-whitemarsh Sr. High School has a student ration of 15:1, which is higher than the Pennsylvania state average of 13:1.
What grades does Plymouth-whitemarsh Sr. High School offer ?
Plymouth-whitemarsh Sr. High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Plymouth-whitemarsh Sr. High School part of?
Plymouth-whitemarsh Sr. High School is part of Colonial School District.
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