South Fayette HS

As a sizable senior high in McDonald, Pennsylvania, South Fayette HS educates 1,143 students from grades 9 through 12, overseen by South Fayette Township SD. That puts it 55% bigger than the typical public school in Pennsylvania, which averages around 738 students.

South Fayette Township SD runs 4 schools in total, collectively educating 3,522 students. South Fayette HS is one of those campuses.

Looking at the student body, South Fayette HS logs that the largest single group is White, at 70% of enrollment. The remainder is composed of 23% Asian, 4% multiracial.

Looking at the economic backdrop, Staff filings list 77 full-time-equivalent teachers, which works out to roughly 14.8:1 students per teacher. The state averages around 12.8:1, so this campus is higher than the state norm typical. About 16% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, Allegheny County runs at roughly 54%, so the school's eligibility rate is meaningfully below the surrounding baseline.

On a residual basis (actual vs predicted given the student mix), South Fayette HS tracks the demographic baseline. The model predicts 70.8% given the school's FRL share; actual proficiency is 82.1%.

Across the wider county, ACS estimates for Allegheny County put median household income runs about $78,548, roughly 46% of adults have completed at least a four-year degree, and roughly 7% of residents live below the federal poverty line. Across Allegheny County's 277 public schools (combined enrollment of about 141,392 students), South Fayette HS is one campus in the mix.

Nearest neighbor: South Fayette Intermediate Sch, around 0.1 miles off. Counting just inside five miles, 8 other public schools cluster around South Fayette HS. On composite proficiency, South Fayette HS comes 3rd of 7 in the immediate cluster, above the nearby-schools average of 71.3%.

The school occupies an outer-ring site.

Over the past 7-year window. Over the past 7-year window, the student count ticked up 28%: 895 students in 2018 compared to 1,143 in 2025. Over the same period, the White share ticked down from 82% to 70%.

On this page, members of the South Fayette 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.