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SCHOOL COMMUNITY·COLLEGIUM CS·NCES 420005000485

Collegium CS

456 Creamery Way, Exton, PA 19341 · (610) 903-1300 · Chester County
GRADES KG–12COMBINED21-SUBURBCHARTERTITLE IREGULAR SCHOOL2,634 STUDENTS
Enrollment
2,634
Combined
STATE 1,819
Student : Teacher
9.8:1
270 FTE teachers
STATE 15.5:1
Free / Reduced Lunch
99%
2,610 students
STATE 75%
Community
1
0 members
Enrollment and student:teacher ratio compared against other combined schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
284
Grade 1
192
Grade 2
199
Grade 3
188
Grade 4
218
Grade 5
236
Grade 6
227
Grade 7
221
Grade 8
233
Grade 9
201
Grade 10
165
Grade 11
146
Grade 12
124
Student demographics
White
78030%
STATE 60%
Hispanic
80931%
STATE 16%
Black
71627%
STATE 14%
Asian
2218%
STATE 5%
Two+
974%
STATE 5%
Native American
60%
STATE 0%
Pacific Islander
50%
STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
1,34351%
Female
1,29149%

Discussions

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Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
33.8%
PA avg 51.1% . -4.3pp since 2023
Math
19.4%
PA avg 43.0% . -2.7pp since 2023
Source: PSSA + Keystone. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
34.5%
composite math + reading, all grades
Predicted
35.1%
based on PA schools with similar FRL share
Beats by
-0.6pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
2,634
-253 (-9%) vs 2017
Student : Teacher
9.8:1
was 12.1:1
% White
30%
was 47%
% Hispanic
31%
was 15%
% Black
27%
was 20%
% Asian
8%
was 11%
Source: NCES Common Core of Data

About 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 profile
Population
547,840
Census ACS
Median income
$127,208
Household, ACS
Bachelor's+
57%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
111
83,468 students

Quick facts

School name
Collegium CS
District
Collegium CS
Address
456 Creamery Way, Exton, PA 19341
Phone
(610) 903-1300
County
Chester County
Level
Combined
Grade range
KG–12
Total enrollment
2,634
Teachers (FTE)
270
Student–teacher ratio
9.8:1
Free/Reduced lunch
2,610 (99%)
Locale
21-Suburb: Large
NCES ID
420005000485
Charter school
Yes
Virtual school
No

Related schools

Other schools in Exton
Nearby schools

Frequently asked questions

About Collegium CS
How large is Collegium CS?
Collegium CS enrolls approximately 2,634 students in grades KG-12.
Is Collegium CS an elementary, middle, or high school?
Collegium CS is a combined-grade school covering grades KG-12.
What is the student-teacher ratio at Collegium CS?
The student-to-teacher ratio at Collegium CS is approximately 9.8:1 (270 FTE teachers).
What is the student diversity at Collegium CS?
Student demographics at Collegium CS are roughly 30% White, 31% Hispanic, 27% Black, 8% Asian, 4% Two or more.
What district is Collegium CS in?
Collegium CS is part of Collegium CS.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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