The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·LOWER MERION SD·NCES 421416003293

Bala-Cynwyd MS

510 Bryn Mawr Ave, Bala Cynwyd, PA 19004 · (610) 645-1480 · Montgomery County
GRADES 05–08MIDDLE21-SUBURBREGULAR SCHOOL794 STUDENTS
Enrollment
794
Middle
DISTRICT 886 · STATE 594
Student : Teacher
10.1:1
79 FTE teachers
DISTRICT 10.0:1 · STATE 13.2:1
Free / Reduced Lunch
15%
120 students
DISTRICT 16% · 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
202
Grade 6
209
Grade 7
203
Grade 8
180
Student demographics
White
48861%
DISTRICT 63% · STATE 60%
Hispanic
415%
DISTRICT 6% · STATE 16%
Black
699%
DISTRICT 9% · STATE 14%
Asian
11314%
DISTRICT 12% · STATE 5%
Two+
8310%
DISTRICT 9% · 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
40251%
Female
39249%

Discussions

+ POST

Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
82.6%
PA avg 51.1% . -1.9pp since 2023
Math
76.5%
PA avg 43.0% . +0.8pp since 2023

What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 83 of every 100 students at this school read and write at grade level and about 77 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 2 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
80.2%
composite math + reading, all grades
Predicted
71.1%
based on PA schools with similar FRL share
Beats by
+9.0pp
above demographic expectation

What this means: About 80% of students here test proficient in math and reading, compared with the roughly 71% 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
794
-217 (-21%) vs 2017
Student : Teacher
10.1:1
was 11.7:1
% White
61%
was 70%
% Hispanic
5%
was 5%
% Black
9%
was 7%
% Asian
14%
was 13%
Source: NCES Common Core of Data

About Bala-Cynwyd MS

Set in Bala Cynwyd, Pennsylvania, Bala-Cynwyd MS is an average-sized junior high, operated by Lower Merion SD. It serves 794 students across grades 5 through 8. That puts it 34% bigger than the typical public school in Pennsylvania, which averages around 594 students.

Lower Merion SD comprises 11 schools with combined enrollment of 8,533 students; Bala-Cynwyd MS is among them.

On demographics, Bala-Cynwyd MS reports that White students make up the majority at 61%. Other groups include 14% Asian, 10% multiracial, 9% Black, 5% Hispanic. That is visibly less White than the county at large, where the share is closer to 73%.

On the resource side, On paper, Bala-Cynwyd MS has 79 full-time-equivalent teachers, translating to a class-load average of around 10.1:1. Statewide, the average ratio sits near 13.2:1, putting Bala-Cynwyd MS tighter than the state norm the norm. Roughly 15% of students at Bala-Cynwyd MS qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is lower than Montgomery County's rate of about 40%.

On a residual basis (actual vs predicted given the student mix), Bala-Cynwyd MS sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 71.1%; this one delivers 80.2%.

In the surrounding community, ACS estimates for Montgomery County put the typical household earns roughly $113,915 per year, 53% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 4%. Across Montgomery County's 160 public schools (combined enrollment of about 115,302 students), Bala-Cynwyd MS is one campus in the mix.

The closest other public school is Cynwyd Sch, roughly 0.1 miles away. Within five miles, there are 8 other public schools. On composite proficiency, Bala-Cynwyd MS comes 6th of 8 in the immediate cluster, ahead of the nearby-schools average of 71.2%.

The school occupies a residential site.

Over the past 7-year window. Over the past 7-year window, the student count edged down 21%: 1,011 students in 2018 compared to 794 in 2025. The White share of enrollment contracted from 70% to 61% over that span. The student-to-teacher ratio fell from 11.7:1 in 2018 to 10.1:1 today.

On this page, posts here usually surface around classroom updates, athletics, and weather closures. The community welcomes input from current and former families.

Montgomery County at a glance

View full county profile
Population
867,573
Census ACS
Median income
$113,915
Household, ACS
Bachelor's+
53%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
160
115,302 students

Quick facts

School name
Bala-Cynwyd MS
District
Lower Merion SD
Address
510 Bryn Mawr Ave, Bala Cynwyd, PA 19004
Phone
(610) 645-1480
County
Montgomery County
Level
Middle
Grade range
05–08
Total enrollment
794
Teachers (FTE)
79
Student–teacher ratio
10.1:1
Free/Reduced lunch
120 (15%)
Locale
21-Suburb: Large
NCES ID
421416003293
Charter school
No
Virtual school
No

Related schools

Other schools in Lower Merion SD
Other schools in Bala Cynwyd
Nearby schools

Frequently asked questions

About Bala-Cynwyd MS
How large is Bala-Cynwyd MS?
Bala-Cynwyd MS enrolls approximately 794 students in grades 05-08.
Is Bala-Cynwyd MS an elementary, middle, or high school?
Bala-Cynwyd MS is a middle school covering grades 05-08.
How many students per teacher at Bala-Cynwyd MS?
Approximately 10.1:1 students per teacher at Bala-Cynwyd MS.
How diverse is Bala-Cynwyd MS?
Bala-Cynwyd MS reports a student body of 61% White, 5% Hispanic, 9% Black, 14% Asian, 10% Two or more.
Who oversees Bala-Cynwyd MS?
Bala-Cynwyd MS is overseen by Lower Merion SD in Montgomery County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post