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SCHOOL COMMUNITY·WILLIAM PENN SD·NCES 422639001887

Ardmore Avenue Elementary School

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, 2024-25

GradeStudentsShare
Kindergarten6713%
Grade 17514%
Grade 28215%
Grade 37013%
Grade 47614%
Grade 57915%
Grade 68616%

This year's kindergarten class (67) is 22% smaller than its 6th grade class (86).

Student demographics
50%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 29% · STATE 59% · US 70%
White
407%
DISTRICT 4% · STATE 60% · US 43%
Hispanic
6813%
DISTRICT 5% · STATE 16% · US 30%
Black
36769%
DISTRICT 84% · STATE 14% · US 15%
Asian
194%
DISTRICT 2% · STATE 5% · US 6%
Two+
387%
DISTRICT 5% · STATE 5% · US 5%
Native American
31%
DISTRICT 0% · STATE 0% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). 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 Elementary School→Penn Wood Middle School
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.

PSSA + Keystone results by year

School yearEnglish Language ArtsMath
2024-2531.2%19.8%
2023-2433.8%17.7%
% Proficient or Advanced, all students and all tested grades.
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 →

Where Ardmore Avenue Elementary School ranks

Among elementary schools
MeasureThis schoolIn PennsylvaniaIn Delaware County
State test proficiency
ranked highest first
30.0%#1,174 of 1,396#49 of 59
Math proficiency
ranked highest first
19.8%#1,285 of 1,511
▲ 11
#57 of 69
no change
Reading proficiency
ranked highest first
31.2%#1,181 of 1,511
▲ 29
#53 of 69
▼ 2
Enrollment
ranked largest first
535#428 of 1,638#29 of 75
Students per teacher
ranked fewest first
13.1:1#774 of 1,528#39 of 74
Diversity index
ranked most diverse first
50.1%#535 of 1,531#28 of 74
Free and reduced lunch
ranked highest share first
102%#213 of 1,600#15 of 73
Enrollment change since 2017-18
ranked steepest decline first
-6.0%#813 of 1,045#36 of 45
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
535
-7 (-1%) vs 2020
+9% since 1990-91, when it was 492
Student : Teacher
13.1:1
was 16.9:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-255354113.1:1N/A
2023-245453814.3:1N/A
2022-235553515.9:1100% (555)
2020-215423216.9:199% (539)
2017-1856930.718.5:1100% (569)
2015-165013016.7:173% (364)
2010-114992520.0:166% (329)
2000-015063016.9:135% (178)
1990-914922222.4:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Ardmore Avenue Elementary School.

Since 2017-18: students down 6% (569 to 535); teachers up 34% (30.7 to 41).

About Ardmore Avenue Elementary School

Ardmore Avenue Elementary School is a medium-sized elementary school serving families in Lansdowne, Pennsylvania. The school's 535 students are in kindergarten through 6. Enrollment is 21% higher than the average for elementary schools in Pennsylvania, which is about 443.

William Penn SD runs 11 schools with a combined 4,499 students. Ardmore Avenue Elementary School is one of them.

Roughly 69% of students at Ardmore Avenue Elementary School are Black. Other groups make up 13% Hispanic, 7% White, 7% multiracial, and 4% Asian. County-wide, 22% of Delaware County residents are Black. The school's diversity index is 50%, meaning two students picked at random have a 50% chance of belonging to different racial or ethnic groups.

Teachers at Ardmore Avenue Elementary School total 41 full-time equivalents, and the ratio is 13.1:1. For comparison, elementary schools in Pennsylvania average 13.1:1.

The BeatsExpectations prediction for Ardmore Avenue Elementary School is 33.9%, and its average proficiency rate on state tests is 30.0%.

In the county around the school, Delaware County, the median household income is $89,546, a bachelor's degree or higher is held by about 42% of adults, and the poverty rate is about 7%. Delaware County is home to 113 public schools and about 74,663 public school students.

Of nearby public schools, Penn Wood High School is the closest, at about 0.5 miles. Ardmore Avenue Elementary School has at least 8 other public schools within five miles. The nearest schools with test data average 24.7%, lower than Ardmore Avenue Elementary School's 30.0%.

The school's federal locale classification is Suburb: Large.

In 2020-21, Ardmore Avenue Elementary School enrolled 542; in 2024-25, 535. In 2020-21, the student-to-teacher ratio was 16.9:1; by 2024-25 it was 13.1:1.

Parents and students can post about sports tryouts, band and choir, and theater at Ardmore Avenue Elementary School. Alumni can share how the school prepared them.

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 Elementary School
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 and 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 Elementary School
How large is Ardmore Avenue Elementary School?
Ardmore Avenue Elementary School enrolls approximately 535 students in grades KG-06.
Is Ardmore Avenue Elementary School an elementary, middle, or high school?
Ardmore Avenue Elementary School is an elementary school covering grades KG-06.
What is the student-teacher ratio at Ardmore Avenue Elementary School?
The student-to-teacher ratio at Ardmore Avenue Elementary School is approximately 13.1:1 (41 FTE teachers).
How diverse is Ardmore Avenue Elementary School?
Ardmore Avenue Elementary School reports a student body of 7% White, 13% Hispanic, 69% Black, 4% Asian, 7% Two or more.
Who oversees Ardmore Avenue Elementary School?
Ardmore Avenue Elementary School 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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