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SCHOOL COMMUNITY·WILLIAM PENN SD·NCES 422639001887

Ardmore Avenue El Sch

161 Ardmore Ave, Lansdowne, PA 19050 · (610) 623-7900 · Delaware County
GRADES KG–06ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL535 STUDENTS
Enrollment
535
Elementary
DISTRICT 288 · STATE 443
Student : Teacher
13.1:1
41 FTE teachers
DISTRICT 13.1:1 · STATE 13.1:1
Free / Reduced Lunch
102%
546 students
DISTRICT 102% · STATE 75%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
67
Grade 1
75
Grade 2
82
Grade 3
70
Grade 4
76
Grade 5
79
Grade 6
86
Student demographics
White
407%
DISTRICT 4% · STATE 60%
Hispanic
6813%
DISTRICT 5% · STATE 16%
Black
36769%
DISTRICT 84% · STATE 14%
Asian
194%
DISTRICT 2% · STATE 5%
Two+
387%
DISTRICT 5% · STATE 5%
Native American
31%
DISTRICT 0% · 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
26750%
Female
26850%

School pathway

Students here typically continue to
Ardmore Avenue El SchPenn Wood MS
Based on grade levels within William Penn SD. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
31.2%
PA avg 51.1% . -2.6pp since 2023
Math
19.8%
PA avg 43.0% . +2.1pp since 2023

What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 31 of every 100 students at this school read and write at grade level and about 20 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 3 points since 2023, while math scores are up about 2 points.

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
30.0%
composite math + reading, all grades
Predicted
33.9%
based on PA schools with similar FRL share
Beats by
-3.9pp
below demographic expectation

What this means: About 30% of students here test proficient in math and reading, compared with the roughly 34% 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
535
-34 (-6%) vs 2017
Student : Teacher
13.1:1
was 18.5:1
% White
7%
was 7%
% Hispanic
13%
was 7%
% Black
69%
was 79%
% Asian
4%
was 4%
Source: NCES Common Core of Data

About Ardmore Avenue El Sch

Set in Lansdowne, Pennsylvania, Ardmore Avenue El Sch is a middle-of-the-pack elementary campus, one of the schools within William Penn SD. It enrolls 535 students across grades K through 6. Enrollment runs roughly 21% above the state mean of about 443.

William Penn SD runs 11 schools in total, collectively educating 4,499 students. Ardmore Avenue El Sch is one of those campuses.

On demographics, Ardmore Avenue El Sch lists that Black students make up the majority at 69%; the rest breaks down as 13% Hispanic, 7% White, 7% multiracial, 4% Asian. That is meaningfully more Black than the county at large, where the share is closer to 22%.

Looking at the economic backdrop, Ardmore Avenue El Sch lists 41 full-time-equivalent teachers, putting the student-to-teacher ratio at about 13.1:1. That tracks the state average closely. Roughly 102% of students at Ardmore Avenue El Sch qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Delaware County runs at roughly 58%, so the school's eligibility rate is somewhat above the surrounding baseline.

On a residual basis (actual vs predicted given the student mix), Ardmore Avenue El Sch performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 33.9%, the actual is 30.0%, a residual of -3.9 points.

Around the school, census data for Delaware County shows median household earnings sit near $89,546, about 42% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 7%. Ardmore Avenue El Sch is one of 113 public schools in Delaware County (combined enrollment of about 74,663 students).

Nearest neighbor: Penn Wood HS, around 0.5 miles off. Counting just inside five miles, 8 other public schools cluster around Ardmore Avenue El Sch. On composite proficiency, Ardmore Avenue El Sch comes 3rd of 6 in the immediate cluster, higher than the nearby-schools average of 24.7%.

The campus sits in a bedroom-community setting.

Trend over the last 7 years. Ardmore Avenue El Sch's enrollment has decreased 6% since 2018, when it stood at 569 (now 535). Over the same period, the Black share decreased from 79% to 69%. Class-load math has fell: from 18.5:1 in 2018 to 13.1:1 in 2025.

On allk12, posts here usually surface around sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.

Delaware County at a glance

View full county profile
Population
579,222
Census ACS
Median income
$89,546
Household, ACS
Bachelor's+
42%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
113
74,663 students

Quick facts

School name
Ardmore Avenue El Sch
District
William Penn SD
Address
161 Ardmore Ave, Lansdowne, PA 19050
Phone
(610) 623-7900
County
Delaware County
Level
Elementary
Grade range
KG–06
Total enrollment
535
Teachers (FTE)
41
Student–teacher ratio
13.1:1
Free/Reduced lunch
546 (102%)
Locale
21-Suburb: Large
NCES ID
422639001887
Charter school
No
Virtual school
No

Related schools

Other schools in William Penn SD
Other schools in Lansdowne
Nearby schools

Frequently asked questions

About Ardmore Avenue El Sch
How large is Ardmore Avenue El Sch?
Ardmore Avenue El Sch enrolls approximately 535 students in grades KG-06.
Is Ardmore Avenue El Sch an elementary, middle, or high school?
Ardmore Avenue El Sch is an elementary school covering grades KG-06.
What is the student-teacher ratio at Ardmore Avenue El Sch?
The student-to-teacher ratio at Ardmore Avenue El Sch is approximately 13.1:1 (41 FTE teachers).
How diverse is Ardmore Avenue El Sch?
Ardmore Avenue El Sch reports a student body of 7% White, 13% Hispanic, 69% Black, 4% Asian, 7% Two or more.
Who oversees Ardmore Avenue El Sch?
Ardmore Avenue El Sch is overseen by William Penn SD in Delaware County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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