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Thomas Jefferson HS
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedBeatsExpectations
Demographically-adjusted score · methodology7-year change
SY 2017-18 vs SY 2024-25About Thomas Jefferson HS
Set in Jefferson Hills, Pennsylvania, Thomas Jefferson HS is an average-sized four-year high school, overseen by West Jefferson Hills SD. It enrolls 1,041 students across grades 9 through 12. Compared to the state average of about 738 students per school, that is 41% larger than typical.
Thomas Jefferson HS is one of 5 schools operated by West Jefferson Hills SD, a district that serves 3,501 students overall.
In terms of who attends, Thomas Jefferson HS reports that the student body is overwhelmingly White (86%); the rest is composed of 7% Asian, 3% Black, 2% Hispanic. The wider county runs roughly 76% White, putting the school's mix meaningfully more White than the area baseline.
In terms of school funding signals, On paper, Thomas Jefferson HS has 70 full-time-equivalent teachers, translating to a class-load average of around 15.0:1. The state averages around 12.8:1, so this campus is higher than the state norm typical. Around 24% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment. By comparison, Allegheny County runs at roughly 54%, so the school's eligibility rate is below the surrounding baseline.
Adjusting for the school's free-and-reduced-lunch share, Thomas Jefferson HS sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 67.4%; this one delivers 77.1%.
Zooming out to the county, Allegheny County reports that median household income runs about $78,548, about 46% of the adult population holds a bachelor's degree or above, and roughly 7% of residents live below the federal poverty line. Thomas Jefferson HS is one of 277 public schools in Allegheny County (combined enrollment of about 141,392 students).
Nearest neighbor: Jefferson Hills Intermediate Sch, around 0.4 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Thomas Jefferson HS at 1st of 6; the average score across the group is 57.2%.
Geographically, the school is in an outer-ring area.
Looking at the recent track record. Thomas Jefferson HS's enrollment has edged up 17% since 2018, when it stood at 889 (now 1,041). The White share of enrollment ticked down from 93% to 86% over that span. The student-to-teacher ratio grew from 13.7:1 in 2018 to 15.0:1 today.
On this page, the feed for Thomas Jefferson HS typically covers school events, parent volunteer needs, and clubs. Members of the school community can share what they know.
Allegheny County at a glance
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