The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·TREDYFFRIN-EASTTOWN SD·NCES 422364001421

Tredyffrin-Easttown MS

801 Conestoga Rd, Berwyn, PA 19312 · (610) 240-1200 · Chester County
GRADES 05–08MIDDLE21-SUBURBREGULAR SCHOOL1,056 STUDENTS
Enrollment
1,056
Middle
DISTRICT 1,121 · STATE 594
Student : Teacher
13.7:1
77 FTE teachers
DISTRICT 13.8:1 · STATE 13.2:1
Free / Reduced Lunch
9%
99 students
DISTRICT 8% · STATE 75%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 5
239
Grade 6
263
Grade 7
290
Grade 8
264
Student demographics
White
58856%
DISTRICT 56% · STATE 60%
Hispanic
444%
DISTRICT 5% · STATE 16%
Black
283%
DISTRICT 3% · STATE 14%
Asian
31930%
DISTRICT 30% · STATE 5%
Two+
777%
DISTRICT 6% · STATE 5%
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
56854%
Female
48846%

Discussions

+ POST

Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
78.3%
PA avg 51.1% . -3.9pp since 2023
Math
69.4%
PA avg 43.0% . -0.6pp 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
76.0%
composite math + reading, all grades
Predicted
73.6%
based on PA schools with similar FRL share
Beats by
+2.4pp
above 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
1,056
-101 (-9%) vs 2017
Student : Teacher
13.7:1
was 14.4:1
% White
56%
was 69%
% Hispanic
4%
was 3%
% Black
3%
was 2%
% Asian
30%
was 22%
Source: NCES Common Core of Data

About Tredyffrin-Easttown MS

Located at 801 Conestoga Rd, in Berwyn, Pennsylvania, Tredyffrin-Easttown MS is an expansive middle-grades school that hosts 1,056 students (grades 5 through 8), one of the schools within Tredyffrin-Easttown SD. Compared to the state average of about 594 students per school, that is 78% above typical.

Tredyffrin-Easttown SD runs 8 schools in total, collectively educating 6,815 students. Tredyffrin-Easttown MS is one of those campuses.

In terms of who attends, Tredyffrin-Easttown MS shows that 56% of the student body identifies as White. Other groups include 30% Asian, 7% multiracial, 4% Hispanic, 3% Black. The wider county runs roughly 77% White, putting the school's mix meaningfully less White than the area baseline.

On the resource side, Tredyffrin-Easttown MS logs 77 full-time-equivalent teachers, putting the student-to-teacher ratio at about 13.7:1. That tracks the state average closely. Around 9% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal. By comparison, Chester County runs at roughly 38%, so the school's eligibility rate is below the surrounding baseline.

With demographic context factored in, Tredyffrin-Easttown MS performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 73.6%, the actual is 76.0%, a residual of +2.4 points.

Zooming out to the county, community-level numbers for Chester County indicate median household earnings sit near $127,208, 57% of adults hold a bachelor's degree or higher, 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 Tredyffrin-Easttown MS is one.

The closest other public school is Conestoga SHS, roughly 0.3 miles away. Counting just inside five miles, 8 other public schools cluster around Tredyffrin-Easttown MS. Ranking that nearby cluster on reported proficiency puts Tredyffrin-Easttown MS at 7th of 8; the average score across the group is 81.4%.

The school occupies a commuter-belt site.

Looking at the recent track record. Looking back 7 years, enrollment at Tredyffrin-Easttown MS has decreased 9%, going from 1,157 students in 2018 to 1,056 in 2025. Over the same period, the White share contracted from 69% to 56%.

On this page, posts here usually surface around school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.

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
Tredyffrin-Easttown MS
District
Tredyffrin-Easttown SD
Address
801 Conestoga Rd, Berwyn, PA 19312
Phone
(610) 240-1200
County
Chester County
Level
Middle
Grade range
05–08
Total enrollment
1,056
Teachers (FTE)
77
Student–teacher ratio
13.7:1
Free/Reduced lunch
99 (9%)
Locale
21-Suburb: Large
NCES ID
422364001421
Charter school
No
Virtual school
No

Related schools

Other schools in Tredyffrin-Easttown SD
Other schools in Berwyn
Nearby schools

Frequently asked questions

About Tredyffrin-Easttown MS
How many students attend Tredyffrin-Easttown MS?
Tredyffrin-Easttown MS enrolls approximately 1,056 students in grades 05-08.
Is Tredyffrin-Easttown MS an elementary, middle, or high school?
Tredyffrin-Easttown MS is a middle school covering grades 05-08.
How many students per teacher at Tredyffrin-Easttown MS?
Approximately 13.7:1 students per teacher at Tredyffrin-Easttown MS.
How diverse is Tredyffrin-Easttown MS?
Tredyffrin-Easttown MS reports a student body of 56% White, 4% Hispanic, 3% Black, 30% Asian, 7% Two or more.
Is Tredyffrin-Easttown MS public or private?
Tredyffrin-Easttown MS is a public K-12 school, overseen by Tredyffrin-Easttown SD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post