The top reported proficiency rate is 67% in Science. The lowest is 40% in Math.
Original Research by School Decision on Prospect Park Sch
Prospect Park School is a modest-sized elementary and middle school serving grades one through eight in the Interboro School District, located in a small, quiet residential borough in Delaware County. The school draws from a built-out community of single-family homes and duplexes centered around Lincoln Avenue, where the district's administrative offices and high school also sit, creating a school-integrated town feel rather than a campus setting.
The student body reflects the borough's mixed socioeconomic composition. A substantial share of students qualify for free or reduced-price lunch, and enrollment is diverse across racial and ethnic backgrounds, though white students form the largest group. The school carries a population of roughly typical size for its grade band.
On state assessments, the school's performance is uneven. In English language arts, students show proficiency rates near the midpoint for comparable schools statewide. Math proficiency is notably weaker, with fewer than half of students meeting grade-level standards in tested grades three through eight. Science proficiency is the school's stronger subject, with proficiency rates well above the midpoint among Delaware County's tested schools. Overall, Prospect Park's proficiency index places it above the midpoint relative to districts in Delaware County, but the math weakness is a concrete soft spot a parent may want to discuss directly with the school.
The school sits within a district managing significant structural investment and modest fiscal relief. Interboro High School is undergoing a major renovation and expansion that will reshape the secondary experience for years to come, adding new STEM labs, science facilities, art rooms, and a redesigned cafeteria. The district was also recently designated as financially distressed and received new state tax-equity supplements in response to a court ruling on Pennsylvania's school-funding inequity. The 2025-26 budget includes a modest property tax increase, holding growth well below the state's allowable cap, a pattern the district has maintained. For families, this signals predictable, controlled annual tax growth rather than large referendum-driven spikes.
Prospect Park itself is a stable, walkable borough of roughly less than a square mile, with modest street life and a compact grid of residential avenues. The SEPTA Prospect Park station on the Wilmington/Newark line offers rail access to Center City Philadelphia. The borough is essentially built-out, with incremental change through rehabilitation and rental communities rather than new development. Housing values in the area reflect a modest price-to-income ratio relative to national benchmarks, and rents are moderate. The Prospect Park Free Library and Witmer Memorial Field anchor local civic life.
A parent considering this school should weigh the uneven test results, particularly the gap in mathematics, against the school's position above the midpoint overall and the district's current investment in facilities and stabilizing fiscal pressures.
See more original research from School Decision →