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Plum SHS
School pathway
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedWhat this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 68 of every 100 students at this school read and write at grade level and about 44 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores are up about 4 points since 2023, while math scores are up about 3 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 55% of students here test proficient in math and reading, compared with the roughly 64% typical for Pennsylvania schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Pennsylvania's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Plum SHS
As a large high school in Plum, Pennsylvania, Plum SHS caters to 1,220 students from grades 9 through 12, run under Plum Borough SD. Enrollment runs roughly 65% larger than the state mean of about 738.
Within Plum Borough SD, which oversees 5 schools and 3,535 students, Plum SHS is one campus in the system.
Looking at the student body, Plum SHS logs that 85% of students identify as White, making the school strongly White-majority. Other groups include 6% Black, 5% multiracial, 2% Hispanic. By comparison, Allegheny County as a whole is about 76% White, so the school skews considerably more White than its surroundings.
On the income-and-resources front, The school currently runs with 70 full-time-equivalent teachers, for a student-teacher ratio near 17.5:1. The state averages around 12.8:1, so this campus is higher than the state norm typical. Roughly 32% of students at Plum SHS qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is noticeably below Allegheny County's rate of about 54%.
On a residual basis (actual vs predicted given the student mix), Plum SHS sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 64.0%; this one delivers 54.7%.
In the broader community, ACS estimates for Allegheny County put median household earnings sit near $78,548, about 46% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 7%. In all, Allegheny County runs 277 public schools (combined enrollment of about 141,392 students), of which Plum SHS is one.
Pivik El Sch is the nearest neighboring public school, about 1.2 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Plum SHS. On composite proficiency, Plum SHS comes 5th of 9 in the immediate cluster, higher than the nearby-schools average of 52.5%.
The school occupies a bedroom-community site.
Trend over the last 7 years. Plum SHS's enrollment has showed little movement since 2018, when it stood at 1,192 (now 1,220). White enrollment moved from 90% to 85% across the same window. The student-to-teacher ratio grew from 15.6:1 in 2018 to 17.5:1 today.
Within the allk12 community for this school, the page collects discussion, questions, and updates around classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.
Allegheny County at a glance
View full county profileQuick facts
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