Commonwealth Charter Academy CS
Harrisburg, PA · High School
Commonwealth Charter Academy CS is a high school in Harrisburg, PA with 20,355 students enrolled and a 56% proficiency rate. Part of Commonwealth Charter Academy CS. NCES data from the U.S. Department of Education.
Commonwealth Charter Academy CS is a high school in Harrisburg, PA that enrolls 20,355 students, putting it among the larger public campuses in the Commonwealth Charter Academy CS school district. That headcount is above the 20,355-student average for schools in the district.
EDFacts assessment data puts 56% of students at or above grade level in combined math and reading, a little above the national midpoint where roughly half of tested students clear the bar. That tracks the 56% district average closely, within a few points either way. Against the 46% Pennsylvania statewide average, the school sits 10 points higher.
Over the last three reported years the district proficiency rate this school inherits has risen by about 10 points. As a high school, it reports a 72% adjusted-cohort graduation rate, the share of first-time ninth-graders who earn a regular diploma within four years.
The student-teacher ratio is 17.4 to 1, close to the U.S. average of about 16 to 1. It operates as a charter school — publicly funded and tuition-free, under an authorizer-issued charter.
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About This School
Commonwealth Charter Academy CS is a high school (charter) located in Harrisburg, Pennsylvania. The school serves 20,355 students. The student-to-teacher ratio is 17.4:1.
According to EDFacts assessment data, 56% of students meet grade-level proficiency standards in combined math and reading. The school reports a 72% graduation rate.
Commonwealth Charter Academy CS is part of the Commonwealth Charter Academy CS in Pennsylvania.
How This School Compares
Commonwealth Charter Academy CS has 20,355 students enrolled, making it smaller than the average school in Commonwealth Charter Academy CS (20,355 students). Its 56% proficiency rate is 0 percentage points above the district average of 56%. Compared to the Pennsylvania state average of 46%, the school performs 10 points higher.
Other Schools in Commonwealth Charter Academy CS
Frequently Asked Questions
Commonwealth Charter Academy CS has 20,355 students enrolled. The student-to-teacher ratio is 17.4:1.
According to EDFacts data, 56% of students at Commonwealth Charter Academy CS meet grade-level proficiency standards in combined math and reading assessments.
Commonwealth Charter Academy CS has a 72% graduation rate, measuring the percentage of students who graduate within four years.
Commonwealth Charter Academy CS is part of the Commonwealth Charter Academy CS in Harrisburg, Pennsylvania. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
Source: NCES Common Core of Data, 2026.