Southern Lehigh SHS

Southern Lehigh SHS, a mid-tier senior high in Center Valley, Pennsylvania, part of Southern Lehigh SD, enrolls 1,013 students, covering grades 9 through 12. Enrollment runs roughly 37% bigger than the state mean of about 738.

Southern Lehigh SD runs 5 schools in total, collectively educating 3,057 students. Southern Lehigh SHS is one of those campuses.

On demographics, Southern Lehigh SHS logs that nearly all students (81%) are White; the rest reads as 8% Asian, 7% Hispanic, 2% Black. That is noticeably more White than the county at large, where the share is closer to 62%.

On the income-and-resources front, Southern Lehigh SHS records 66 full-time-equivalent teachers, putting the student-to-teacher ratio at about 15.3:1. That figure is higher than the state norm's 12.8:1 average. An estimated 21% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. Set against Lehigh County (around 70%), the school's rate is south of typical.

On a demographically-adjusted basis, Southern Lehigh SHS tracks the demographic baseline. The model predicts 68.7% given the school's FRL share; actual proficiency is 69.4%.

In the broader community, Lehigh County reports that median household earnings sit near $80,079, roughly 34% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 8%. In all, Lehigh County runs 83 public schools (combined enrollment of about 56,984 students), of which Southern Lehigh SHS is one.

The closest other public school is Southern Lehigh MS, roughly 0.2 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 9 schools in that immediate cluster with test data (this one included), Southern Lehigh SHS ranks 4th on composite proficiency, above the local average of 56.7%.

The campus sits in a commuter-belt setting.

Trend over the last 7 years. Over the past 7-year window, the student count declined 6%: 1,080 students in 2018 compared to 1,013 in 2025. The student-to-teacher ratio tightened from 16.9:1 in 2018 to 15.3:1 today.

On allk12, the page collects discussion, questions, and updates around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.