King Martin Luther HS

King Martin Luther HS, a modestly sized secondary school in Philadelphia, Pennsylvania, run under Philadelphia City SD, works with 527 students, covering grades 9 through 12. By comparison, Pennsylvania's public schools average about 738 students each, so King Martin Luther HS sits 29% below that benchmark.

Philadelphia City SD comprises 220 schools with combined enrollment of 116,230 students; King Martin Luther HS is among them.

On demographics, King Martin Luther HS logs that the student body is overwhelmingly Black (89%). Beyond that, the school lists 6% Hispanic, 3% multiracial. That is meaningfully more Black than the county at large, where the share is closer to 39%.

In terms of school funding signals, On paper, King Martin Luther HS has 34 full-time-equivalent teachers, translating to a class-load average of around 15.4:1. That figure is higher than the state norm's 12.8:1 average. An estimated 100% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

Adjusting for the school's free-and-reduced-lunch share, King Martin Luther HS is in the bottom 10% of Pennsylvania public schools. The BeatsExpectations model predicts schools with this FRL share to land around 34.7%; King Martin Luther HS posts 8.5%, -26.2 points below that line.

Around the school, census data for Philadelphia County shows median household earnings sit near $61,953, roughly 35% of adults have completed at least a four-year degree, and roughly 17% of residents live below the federal poverty line. In all, Philadelphia County runs 309 public schools (combined enrollment of about 182,005 students), of which King Martin Luther HS is one.

Nearest neighbor: Parkway Northwest, around 0.2 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 8 schools in that immediate cluster with test data (this one included), King Martin Luther HS ranks 8th on composite proficiency, below the local average of 17.7%.

King Martin Luther HS operates from an inner-city location.

Trend over the last 7 years. Over the past 7-year window, the student count fell 18%: 641 students in 2018 compared to 527 in 2025. Black enrollment moved from 94% to 89% across the same window. The student-to-teacher ratio rose from 13.4:1 in 2018 to 15.4:1 today.

Within the allk12 community for this school, posts here usually surface around enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.