Community prompt from u/allk12. Replies below.
Interboro SHS
School pathway
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedWhat this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 64 of every 100 students at this school read and write at grade level and about 31 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 have held steady.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 46% of students here test proficient in math and reading, compared with the roughly 55% 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 Interboro SHS
Located at 16th & Amosland Road, in Prospect Park, Pennsylvania, Interboro SHS is a mid-tier secondary school that educates 1,079 students (grades 9 through 12), one of the schools within Interboro SD. Compared to the state average of about 738 students per school, that is 46% larger than typical.
Across the 6 schools in Interboro SD (3,366 students total), Interboro SHS accounts for its share of the district's footprint.
Demographically, Interboro SHS lists that 65% of the student body identifies as White. The remainder breaks down as 16% Black, 7% Hispanic, 7% multiracial, 5% Asian. That composition is broadly in line with Delaware County as a whole.
Looking at school resources, On paper, Interboro SHS has 87 full-time-equivalent teachers, translating to a class-load average of around 12.5:1. The state averages about 12.8:1, putting this campus right in line with peers. About 53% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.
Adjusting for the school's free-and-reduced-lunch share, Interboro SHS tracks the demographic baseline. The model predicts 54.8% given the school's FRL share; actual proficiency is 46.3%.
In the broader community, community-level numbers for Delaware County indicate median household earnings sit near $89,546, 42% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 7%. Across Delaware County's 113 public schools (combined enrollment of about 74,663 students), Interboro SHS is one campus in the mix.
Nearest neighbor: Kindergarten Academy, around 0.4 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 7 schools in that immediate cluster with test data (this one included), Interboro SHS ranks 4th on composite proficiency, above the local average of 45.5%.
Geographically, the school is in a bedroom-community area.
Looking at the recent track record. Looking back 7 years, enrollment at Interboro SHS has remained close to its prior level, going from 1,105 students in 2018 to 1,079 in 2025. The White share of enrollment fell from 81% to 65% over that span.
On allk12, the feed for Interboro SHS typically covers classroom updates, athletics, and weather closures. The community welcomes input from current and former families.
Delaware County at a glance
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