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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%

School pathway

Students here typically continue to
Tredyffrin-Easttown MSConestoga SHS
Based on grade levels within Tredyffrin-Easttown SD. Attendance zones can vary; confirm enrollment with the district.

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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

What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 78 of every 100 students at this school read and write at grade level and about 69 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores are down about 4 points since 2023, while math scores have held steady.

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

What this means: About 76% of students here test proficient in math and reading, compared with the roughly 74% typical for Pennsylvania schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Pennsylvania's top nor bottom 10%.

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.
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