Community prompt from u/allk12. Replies below.
Deer Lakes HS
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedBeatsExpectations
Demographically-adjusted score · methodology7-year change
SY 2017-18 vs SY 2024-25About Deer Lakes HS
Deer Lakes HS, an intimate senior high in Cheswick, Pennsylvania, one of the schools within Deer Lakes SD, works with 581 students, covering grades 9 through 12. Compared to the state average of about 738 students per school, that is 21% smaller than typical.
Deer Lakes SD runs 4 schools in total, collectively educating 1,689 students. Deer Lakes HS is one of those campuses.
Looking at the student body, Deer Lakes HS records that nearly all students (95%) are White. Beyond that, the school shows 3% Hispanic. By comparison, Allegheny County as a whole is about 76% White, so the school skews considerably more White than its surroundings.
Looking at the economic backdrop, Staff filings list 42 full-time-equivalent teachers, which works out to roughly 13.7:1 students per teacher. The state averages around 12.8:1, so this campus is higher than the state norm typical. About 35% 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 lower than the surrounding baseline.
On a residual basis (actual vs predicted given the student mix), Deer Lakes HS tracks the demographic baseline. The model predicts 62.7% given the school's FRL share; actual proficiency is 54.4%.
In the area at large, ACS estimates for Allegheny County put median household earnings sit near $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. Deer Lakes HS is one of 277 public schools in Allegheny County (combined enrollment of about 141,392 students).
Nearest neighbor: East Union Intrmd Sch, around 0.4 miles off. Counting just inside five miles, 6 other public schools cluster around Deer Lakes HS. Among the 8 schools in that immediate cluster with test data (this one included), Deer Lakes HS ranks 6th on composite proficiency, below the local average of 68.6%.
The campus sits in an outer-ring setting.
Looking at the recent track record. Over the past 7-year window, the student count changed only slightly: 570 students in 2018 compared to 581 in 2025. The student-to-teacher ratio pulled in from 15.1:1 in 2018 to 13.7:1 today.
In the discussion threads here, the feed for Deer Lakes HS typically covers school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.
Allegheny County at a glance
View full county profileQuick facts
Related schools
- Curtisville Pri CtrElementary · 390 students
- Deer Lakes MSMiddle · 383 students
- East Union Intrmd SchElementary · 335 students
- Acmetonia El SchElementary · 458 students
- Deer Lakes MSMiddle · 383 students
- East Union Intrmd SchElementary · 335 students
- East Union Intrmd Sch0.4 mi · 335
- Deer Lakes MS0.5 mi · 383
- Curtisville Pri Ctr1.7 mi · 390
- Dorseyville MS3.5 mi · 981
- Hartwood El Sch3.5 mi · 386
- Poff El Sch4.7 mi · 282