Enrollment
527
Pennsylvania · 2024-25 NCES data
High school (grades 9-12) · Philadelphia, PA
King Martin Luther Hs
Federal NCES profile for King Martin Luther Hs, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 421899006675
👥 S:T ratio 52
📚 AP courses 5
🌟 Gifted program 70
🎓 Counselors 47
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
King Martin Luther Hs earns 35/100 on the Resource Investment Index, with class sizes smaller than 72% of Pennsylvania schools.
- #24 of 57
- high schools in Philadelphia · Resource Index
- 35
- Resource Index · Typical
- 12:1
- small classes for Pennsylvania
- 100.0%
- free-lunch eligible
King Martin Luther Hs has class sizes smaller than 72% of Pennsylvania schools. Computed live against every Pennsylvania school reporting to NCES.
By Resource Investment Index, King Martin Luther Hs ranks #24 of 57 high schools in Philadelphia, PA.
School address
District: Philadelphia City Sd · Pennsylvania
NCES ID 421899006675 Verify on NCES CCD record →
Teachers (FTE)
44.0
Federal CCD staff survey
Students per teacher
12:1
vs 13.6:1 Pennsylvania avg
-12% vs state
Free-lunch eligible
100.0%
vs 58.1% Pennsylvania avg
+72% vs state
Student-teacher ratio in context
How King Martin Luther Hs compares with Pennsylvania and U.S. medians
What stands out at King Martin Luther Hs
King Martin Luther Hs is a high-poverty, mid-sized high school in Philadelphia, Pennsylvania, enrolling 527 students.
Class sizes run a bit leaner than typical: 12:1 puts it in the smaller third of Pennsylvania schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 100.0% of students eligible for free meals.
With 527 students, its enrollment sits close to the Pennsylvania median campus size.
Its Resource Investment Index lands in the lower third of 2,889 scored Pennsylvania schools.
Against 517 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #198.
Its student body is predominantly African American (89% of enrollment) (diversity index 20/100).
On the academic-pipeline side it reports 1 Advanced Placement course.
Counselor coverage runs a bit thin, about 264 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 68.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 23.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Philadelphia's high schools, it stands alongside Northeast Hs (3,463 students): King Martin Luther Hs is smaller than that campus by headcount and runs leaner classes (12:1 vs 18.9:1).
Philadelphia City Sd also operates Northeast Hs (3,463 students) and Lincoln Hs (2,472 students) alongside King Martin Luther Hs.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How King Martin Luther Hs compares
King Martin Luther Hs on the metrics families compare, against Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12:1 | ▼ 12% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 100.0% | ▲ 72% | 58.1% | 51.7% |
| Enrollment | 527 | top 40% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12:1
Leaner classes than 75% of US schools, among the more generously staffed nationally.
527
Bigger than 65% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
100.0%
free-lunch eligible
- 72% above the Pennsylvania average of 58.1%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
12:1
students per teacher
- 12% below state mean
Top 28% in Pennsylvania - lower ratio than 72% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
68.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$17,892
per pupil, district-wide
- below Pennsylvania avg of $17,970
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 264 students, the combined health-and-guidance staffing load for this school.
Discipline context
4
in-school suspensions + 66 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 13.3 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
African American 89.2%
Hispanic or Latino 5.9%
Two or More 2.8%
White 1.1%
American Indian / Alaska Native 0.6%
Asian 0.4%
Largest group: African American at 89.2% of enrollment.
Student-body diversity index 20.0/100
Simpson diversity index - at 20.0, King Martin Luther Hs is less mixed than the Pennsylvania school average of 37.3.
Programs
AP courses offered 1
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Philadelphia City Sd, which includes King Martin Luther Hs.
$17,892
Per student
0%
vs Pennsylvania
Avg $17,970
+8%
vs U.S.
Avg $16,593
Revenue mix
Local 37.0%
State 39.7%
Federal 23.3%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How King Martin Luther Hs Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Northeast Hs | Larger | Similar economic need | Higher S:T ratio |
| Lincoln Hs | Larger | Similar economic need | Higher S:T ratio |
| Central Hs | Larger | Similar economic need | Higher S:T ratio |
| Northeast Community Propel Academy | Larger | Similar economic need | Higher S:T ratio |
| Mayfair Sch | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to King Martin Luther Hs's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,463
- Students per teacher
- 18.9:1
- Resource Index
- 31/100
- Enrollment
- 2,472
- Students per teacher
- 17:1
- Resource Index
- 34/100
- Enrollment
- 2,329
- Students per teacher
- 20.1:1
- Resource Index
- 45/100
- Enrollment
- 1,783
- Students per teacher
- 22.6:1
- Resource Index
- 21/100
- Enrollment
- 1,763
- Students per teacher
- 21:1
- Resource Index
- 40/100
Similar high schools in Philadelphia
6 comparable high schools (grades 9-12) serving the same city.
Northeast Hs
Standard public school
3,463 students 18.9:1 students per teacher
Lincoln Hs
Standard public school
2,472 students 17:1 students per teacher
Central Hs
Standard public school
2,329 students 20.1:1 students per teacher
Washington George Hs
Standard public school
1,755 students 15.8:1 students per teacher
Franklin Towne Chs
Standard public school
1,292 students 18.5:1 students per teacher
Fels Samuel Hs
Standard public school
1,255 students 17.7:1 students per teacher
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Pennsylvania, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~527 students)
Similar student-teacher ratio (~12:1)
Next steps
Verify locally before acting on King Martin Luther Hs's federal record.
- Compare King Martin Luther Hs against another school. Compare schools
- Philadelphia City Sd's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about King Martin Luther Hs
How many students attend King Martin Luther Hs?
King Martin Luther Hs has 527 students enrolled. It is a high school in Philadelphia, PA.
What is the student-teacher ratio at King Martin Luther Hs?
The student-teacher ratio at King Martin Luther Hs is 12:1, which is 12% lower than the Pennsylvania average of 13.6:1 and 24% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at King Martin Luther Hs?
100.0% of students at King Martin Luther Hs are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
What is the racial and ethnic makeup of King Martin Luther Hs?
The largest demographic group at King Martin Luther Hs is African American at 89.2% of enrollment, in Philadelphia, PA.
What is the Resource Investment Index for King Martin Luther Hs?
King Martin Luther Hs has a Resource Investment Index of 35/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does King Martin Luther Hs rank among high schools in Philadelphia?
By Resource Investment Index, King Martin Luther Hs ranks #24 of 57 high schools in Philadelphia, PA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Philadelphia on the city page.
Is King Martin Luther Hs a good school?
King Martin Luther Hs earns 35/100 on the Resource Investment Index, with class sizes smaller than 72% of Pennsylvania schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Philadelphia City Sd?
Besides King Martin Luther Hs, Philadelphia City Sd also operates Northeast Hs (3,463 students), Lincoln Hs (2,472 students), and Central Hs (2,329 students). See the Philadelphia City Sd district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.