Community prompt from u/allk12. Replies below.
Ardmore Avenue El Sch
School pathway
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedWhat 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.
BeatsExpectations
Demographically-adjusted score · methodologyWhat 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%.
7-year change
SY 2017-18 vs SY 2024-25About 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 profileQuick facts
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