Northley MS

Located at 2801 Concord Road, in Aston, Pennsylvania, Northley MS is a middle-of-the-pack 6-8 campus that enrolls 748 students (grades 6 through 8), one of the schools within Penn-Delco SD. By comparison, Pennsylvania's public schools average about 594 students each, so Northley MS sits 26% above that benchmark.

Within Penn-Delco SD, which oversees 6 schools and 3,181 students, Northley MS is one campus in the system.

For racial and ethnic makeup, Northley MS lists that White students make up the majority at 79%. Beyond that, the school logs 8% Black, 5% multiracial, 5% Hispanic, 3% Asian. That is visibly more White than the county at large, where the share is closer to 63%.

Looking at the economic backdrop, Staff filings list 50 full-time-equivalent teachers, which works out to roughly 14.9:1 students per teacher. The state averages around 13.2:1, so this campus is higher than the state norm typical. Around 35% of the student body qualifies for free or reduced-price meals, 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 below the surrounding baseline.

After controlling for student poverty, Northley MS sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 62.4%; this one delivers 46.0%.

Across the wider county, census data for Delaware County shows the typical household earns roughly $89,546 per year, roughly 42% of adults have completed at least a four-year degree, and roughly 7% of residents live below the federal poverty line. Northley MS is one of 113 public schools in Delaware County (combined enrollment of about 74,663 students).

Nearest neighbor: Sun Valley HS, around 0.2 miles off. Within five miles, there are 8 other public schools. Among the 9 schools in that immediate cluster with test data (this one included), Northley MS ranks 6th on composite proficiency, above the local average of 42.7%.

Geographically, the school is in a bedroom-community area.

Five-year trend. Over the past 7-year window, the student count fell 5%: 785 students in 2018 compared to 748 in 2025. Over the same period, the White share ticked down from 84% to 79%.

Within the allk12 community for this school, posts here usually surface around science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.