Northley MS
Aston, PA · Middle School · Grades 6-8
Northley MS is a middle school in Aston, PA with 758 students enrolled and a 62% proficiency rate. Part of Penn-Delco SD. NCES data from the U.S. Department of Education.
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About This School
Northley MS is a middle school located in Aston, Pennsylvania. The school serves 758 students in grades 6-8. The student-to-teacher ratio is 14.6:1.
According to EDFacts assessment data, 62% of students meet grade-level proficiency standards in combined math and reading.
39% of students qualify for free or reduced-price lunch.
Northley MS is part of the Penn-Delco SD in Pennsylvania.
How This School Compares
Northley MS has 758 students enrolled, making it larger than the average school in Penn-Delco SD (542 students). Its 62% proficiency rate is 6 percentage points above the district average of 55%. Compared to the Pennsylvania state average of 46%, the school performs 15 points higher. With a 14.6:1 student-teacher ratio, it offers smaller class sizes than the national average.
Frequently Asked Questions
Northley MS has 758 students enrolled in grades 6-8. The student-to-teacher ratio is 14.6:1.
According to EDFacts data, 62% of students at Northley MS meet grade-level proficiency standards in combined math and reading assessments.
Northley MS is part of the Penn-Delco SD in Aston, Pennsylvania. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
this entity is one of the data points covered by this site’s U.S. K-12 school outcomes and enrollment dataset. The detail above comes directly from NCES Common Core of Data and EDFacts; the context that follows situates the headline numbers against the broader distribution across U.S. public schools and districts.
The methodology behind every numeric value on this page is publicly documented on the NCES Common Core of Data and EDFacts portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. public schools and districts. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: NCES Common Core of Data, 2026.