Serving 1,057 students in grades 9-12, Greencastle-antrim Sr. High School ranks in the top 20% of all schools in Pennsylvania for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 85-89% (which is higher than the Pennsylvania state average of 36%). The percentage of students achieving proficiency in reading/language arts is 69% (which is higher than the Pennsylvania state average of 55%).
The student:teacher ratio of 20:1 is higher than the Pennsylvania state level of 13:1.
Minority enrollment is 13% of the student body (majority Hispanic), which is lower than the Pennsylvania state average of 39% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,057 students
- Student:Teacher Ratio: 20:1
- Minority Enrollment: 13%
- Graduation Rate: 96% (Top 10% in PA)
- Overall Testing Rank: Top 20%
- Math Proficiency: 85-89% (Top 5%)
- Reading Proficiency: 69% (Top 30%)
- Science Proficiency: 40-44% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PA Dept. of Education
Top Rankings
Greencastle-antrim Sr. 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
Greencastle-antrim Sr. High School's student population of 1,057 students has grown by 14% over five school years.
The teacher population of 54 teachers has grown by 8% over five school years.
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
1,057 students
Gender %
Total Classroom Teachers
54 teachers
Students by Grade
School Rankings
Greencastle-antrim Sr. 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 Greencastle-antrim Sr. 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
#298 out of 2733 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
85-89%
36%
Reading/Language Arts Test Scores (% Proficient)
69%
55%
Science Test Scores (% Proficient)
40-44%
57%
Student : Teacher Ratio
20:1
13:1
American Indian
n/a
n/a
Asian
1%
5%
Hispanic
5%
15%
Black
3%
14%
White
87%
61%
Hawaiian
n/a
n/a
Two or more races
4%
5%
All Ethnic Groups
Graduation Rate
96%
87%
Eligible for Free Lunch
32%
60%
Eligible for Reduced Lunch
4%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PA Dept. of Education
Frequently Asked Questions
What is Greencastle-antrim Sr. High School's ranking?
Greencastle-antrim Sr. High School is ranked #298 out of 2,733 schools, which ranks it among the top 20% of public schools in Pennsylvania.
What schools are Greencastle-antrim Sr. High School often compared to?
Greencastle-antrim Sr. High Schoolis often viewed alongside schools like Waynesboro Area Senior High School, James Buchanan High School, Chambersburg Area Sr. High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
85-89% of students have achieved math proficiency (compared to the 36% PA state average), while 69% of students have achieved reading proficiency (compared to the 55% PA state average).
What is the graduation rate of Greencastle-antrim Sr. High School?
The graduation rate of Greencastle-antrim Sr. High School is 96%, which is higher than the Pennsylvania state average of 87%.
How many students attend Greencastle-antrim Sr. High School?
1,057 students attend Greencastle-antrim Sr. High School.
What is the racial composition of the student body?
87% of Greencastle-antrim Sr. High School students are White, 5% of students are Hispanic, 4% of students are Two or more races, 3% of students are Black, and 1% of students are Asian.
What is the student:teacher ratio of Greencastle-antrim Sr. High School?
Greencastle-antrim Sr. High School has a student ration of 20:1, which is higher than the Pennsylvania state average of 13:1.
What grades does Greencastle-antrim Sr. High School offer ?
Greencastle-antrim Sr. High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Greencastle-antrim Sr. High School part of?
Greencastle-antrim Sr. High School is part of Greencastle-Antrim School District.
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