Gamp

Located at 23rd and Ritner Sts, in Philadelphia, Pennsylvania, Gamp is a middle-of-the-pack high school that caters to 634 students (grades 5 through 12), one of the schools within Philadelphia City SD.

Philadelphia City SD comprises 220 schools with combined enrollment of 116,230 students; Gamp is among them.

Demographically, Gamp shows that the largest single group is White at 43%, but no single group is in the majority; the rest reads as 21% Asian, 21% Black, 9% multiracial, 7% Hispanic.

Looking at the economic backdrop, The school reports having 29 full-time-equivalent teachers, for a student-teacher ratio near 21.7:1. The state averages around 12.8:1, so this campus is higher than the state norm typical. An estimated 91% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

On a residual basis (actual vs predicted given the student mix), Gamp is in the OUTPERFORMING tier of the BeatsExpectations model, which fits a per-state line through proficiency and FRL share. Schools with this campus's poverty mix typically land near 38.6%; this one delivers 78.3%, a residual of +39.7 points.

In the broader community, the surrounding county (Philadelphia County) reports that median household income runs about $61,953, about 35% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 17%. Across Philadelphia County's 309 public schools (combined enrollment of about 182,005 students), Gamp is one campus in the mix.

The closest other public school is Universal Vare CS, roughly 0.3 miles away. Counting just inside five miles, 8 other public schools cluster around Gamp. On composite proficiency, Gamp comes 1st of 7 in the immediate cluster, above the nearby-schools average of 33.0%.

Gamp operates from a city-core location.

Looking at the recent track record. Gamp's enrollment has climbed 3% since 2018, when it stood at 614 (now 634). Black enrollment moved from 26% to 21% across the same window. Class-load math has narrowed: from 23.3:1 in 2018 to 21.7:1 in 2025.

Within the allk12 community for this school, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.