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Collegium CS
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedBeatsExpectations
Demographically-adjusted score · methodology7-year change
SY 2017-18 vs SY 2024-25About Collegium CS
Collegium CS is a reasonably sized unified-grade school in Exton, Pennsylvania, overseen by Collegium CS. The school educates 2,634 students in grades K through 12. Compared to the state average of about 1,819 students per school, that is 45% bigger than typical.
Collegium CS is a school of Collegium CS, the district that handles curriculum, staffing, and budget for the campus.
On demographics, Collegium CS lists that 31% of students identify as Hispanic, with the remaining enrollment distributed across several groups; the rest is composed of 30% White, 27% Black, 8% Asian, 4% multiracial. The wider county runs roughly 8% Hispanic, putting the school's mix noticeably more Hispanic than the area baseline.
Looking at school resources, Staff filings list 270 full-time-equivalent teachers, which works out to roughly 9.8:1 students per teacher. The state averages around 15.5:1, so this campus is tighter than the state norm typical. Around 99% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. That share is above Chester County's rate of about 38%.
On a residual basis (actual vs predicted given the student mix), Collegium CS sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 35.1%; this one delivers 34.5%.
Across the wider county, the surrounding county (Chester County) records that median household earnings sit near $127,208, roughly 57% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. In all, Chester County runs 111 public schools (combined enrollment of about 83,468 students), of which Collegium CS is one.
Nearest neighbor: Uwchlan Hills El Sch, around 1.4 miles off. Counting just inside five miles, 8 other public schools cluster around Collegium CS. Ranking that nearby cluster on reported proficiency puts Collegium CS at 8th of 8; the average score across the group is 74.6%.
Geographically, the school is in a commuter-belt area. Collegium CS operates as a public charter school, meaning it is publicly funded but governed independently of the surrounding district's traditional schools.
Looking at the recent track record. Looking back 7 years, enrollment at Collegium CS has decreased 9%, going from 2,887 students in 2018 to 2,634 in 2025. The White share of enrollment shrank from 47% to 30% over that span. Class-load math has pulled in: from 12.1:1 in 2018 to 9.8:1 in 2025.
Inside the community feed, recent activity here tends to focus on science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.
Chester County at a glance
View full county profileQuick facts
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