Upper Merion Area HS

Set in King of Prussia, Pennsylvania, Upper Merion Area HS is a big high school, part of Upper Merion Area SD. It teaches 1,326 students across grades 9 through 12. That puts it 80% larger than the typical public school in Pennsylvania, which averages around 738 students.

Within Upper Merion Area SD, which oversees 7 schools and 4,345 students, Upper Merion Area HS is one campus in the system.

Demographically, Upper Merion Area HS logs that 44% of students identify as White, with the remaining enrollment distributed across several groups. Other groups include 19% Hispanic, 16% Black, 13% Asian, 8% multiracial. By comparison, Montgomery County as a whole is about 73% White, so the school skews considerably less White than its surroundings.

On the income-and-resources front, The school reports having 95 full-time-equivalent teachers, for a student-teacher ratio near 14.0:1. The state averages around 12.8:1, so this campus is higher than the state norm typical. An estimated 51% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is above Montgomery County's rate of about 40%.

With demographic context factored in, Upper Merion Area HS tracks the demographic baseline. The model predicts 55.6% given the school's FRL share; actual proficiency is 51.5%.

In the broader community, census data for Montgomery County shows median household income runs about $113,915, roughly 53% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. Across Montgomery County's 160 public schools (combined enrollment of about 115,302 students), Upper Merion Area HS is one campus in the mix.

Nearest neighbor: Upper Merion Area MS, around 0.1 miles off. Counting just inside five miles, 8 other public schools cluster around Upper Merion Area HS. Among the 7 schools in that immediate cluster with test data (this one included), Upper Merion Area HS ranks 4th on composite proficiency, below the local average of 58.8%.

The school occupies a bedroom-community site.

Five-year trend. Over the past 7-year window, the student count increased 16%: 1,147 students in 2018 compared to 1,326 in 2025. The White share of enrollment declined from 58% to 44% over that span.

On this page, members of the Upper Merion Area HS community share and discuss open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.