Enrollment
660
Pennsylvania · 2024-25 NCES data
Other / mixed grade configuration · Philadelphia, PA
Mastery Chs-Lenfest Campus
Federal NCES profile for Mastery Chs-Lenfest Campus, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 20/100.
2024-25 NCES dataOther / mixed grade configurationNCES 420008400578Charter school
👥 S:T ratio 37
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 14
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mastery Chs-Lenfest Campus earns 20/100 on the Resource Investment Index, with class sizes larger than 83% of Pennsylvania schools.
- #96 of 106
- schools in Philadelphia · Resource Index
- 20
- Resource Index · Lower
- 15.7:1
- large classes for Pennsylvania
- 98.7%
- free-lunch eligible
Mastery Chs-Lenfest Campus has class sizes larger than 83% of Pennsylvania schools. Computed live against every Pennsylvania school reporting to NCES.
By Resource Investment Index, Mastery Chs-Lenfest Campus ranks #96 of 106 schools in Philadelphia, PA.
School address
District: Mastery Chs-Lenfest Campus · Pennsylvania
NCES ID 420008400578 Verify on NCES CCD record →
Teachers (FTE)
42.0
Federal CCD staff survey
Students per teacher
15.7:1
vs 13.6:1 Pennsylvania avg
+15% vs state
Free-lunch eligible
98.7%
vs 58.1% Pennsylvania avg
+70% vs state
Student-teacher ratio in context
How Mastery Chs-Lenfest Campus compares with Pennsylvania and U.S. medians
What stands out at Mastery Chs-Lenfest Campus
Mastery Chs-Lenfest Campus is a high-poverty, mid-sized charter combined-grade school in Philadelphia, Pennsylvania, enrolling 660 students.
Class loads run somewhat heavier than typical: 15.7:1 puts it in the larger third of Pennsylvania schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 98.7% of students eligible for free meals.
Enrollment of 660 puts it in the larger third of Pennsylvania schools by headcount.
Its Resource Investment Index trails 98% of the 2,889 Pennsylvania schools with a score on record, one of the lower results on this measure.
Among 454 similarly sized, similarly resourced-need Pennsylvania schools statewide, it ranks #424, in the lower tier once campus size and economic need are matched.
Its student body is led by African American (77%) and Hispanic or Latino (18%) (diversity index 37/100).
Counselor access is stretched at roughly 660 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 34.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Mastery Chs-Lenfest Campus spends $78,378 per pupil, 336% above the Pennsylvania average, a better-resourced district than most.
Its district draws 18.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 189 in- and out-of-school suspensions were reported for 660 students in the 2021-22 Civil Rights Data Collection.
Among Philadelphia's public schools, it stands alongside Philadelphia Performing Arts Cs (2,572 students): Mastery Chs-Lenfest Campus is smaller than that campus by headcount and runs heavier classes (15.7:1 vs 15.5:1).
Mastery Chs-Lenfest Campus is a single-school charter district, so Mastery Chs-Lenfest Campus operates independently rather than alongside district-mates.
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 Mastery Chs-Lenfest Campus compares
Mastery Chs-Lenfest Campus on the metrics families compare, against Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.7:1 | ▲ 15% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 98.7% | ▲ 70% | 58.1% | 51.7% |
| Enrollment | 660 | top 24% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.7:1
Leaner classes than 41% of US schools, a middle-of-the-pack class size.
660
Bigger than 78% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
98.7%
free-lunch eligible
- 70% 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
15.7:1
students per teacher
- 15% above state mean
Top 83% in Pennsylvania - lower ratio than 17% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
34.5%
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
$78,378
per pupil, district-wide
- above Pennsylvania avg of $17,970
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 660 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 189 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 28.6 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 77.1%
Hispanic or Latino 18.2%
Two or More 3.5%
White 0.6%
Asian 0.5%
Native Hawaiian / Pacific Islander 0.2%
Largest group: African American at 77.1% of enrollment.
Student-body diversity index 37.1/100
Simpson diversity index - at 37.1, Mastery Chs-Lenfest Campus is about as mixed as the Pennsylvania school average of 37.3.
Programs
AP courses offered 3
Funding & spending
District-wide per-pupil expenditure for Mastery Chs-Lenfest Campus, which includes Mastery Chs-Lenfest Campus.
$78,378
Per student
+336%
vs Pennsylvania
Avg $17,970
+372%
vs U.S.
Avg $16,593
Revenue mix
Local 80.6%
State 0.5%
Federal 18.9%
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.
Similar other schools in Philadelphia
6 comparable other schools (grades Mixed) serving the same city.
Philadelphia Performing Arts Cs
Standard public school
2,572 students 15.5:1 students per teacher
Mast Community Cs Ii
Standard public school
1,875 students 16:1 students per teacher
First Philadelphia Preparatory Cs
Standard public school
1,831 students 18.9:1 students per teacher
Esperanza Academy Cs
Standard public school
1,637 students 14.1:1 students per teacher
Frank Anne Sch
Standard public school
1,622 students 21.6:1 students per teacher
New Foundations Cs
Standard public school
1,529 students 15.6:1 students per teacher
Similar other 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 (~660 students)
Similar student-teacher ratio (~15.7:1)
Next steps
Verify locally before acting on Mastery Chs-Lenfest Campus's federal record.
- Compare Mastery Chs-Lenfest Campus against another school. Compare schools
- Mastery Chs-Lenfest Campus'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 Mastery Chs-Lenfest Campus
How many students attend Mastery Chs-Lenfest Campus?
Mastery Chs-Lenfest Campus has 660 students enrolled. It is a public school in Philadelphia, PA.
What is the student-teacher ratio at Mastery Chs-Lenfest Campus?
The student-teacher ratio at Mastery Chs-Lenfest Campus is 15.7:1, which is 15% higher than the Pennsylvania average of 13.6:1 and 0% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mastery Chs-Lenfest Campus?
98.7% of students at Mastery Chs-Lenfest Campus are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
What is the racial and ethnic makeup of Mastery Chs-Lenfest Campus?
The largest demographic group at Mastery Chs-Lenfest Campus is African American at 77.1% of enrollment, in Philadelphia, PA.
What is the Resource Investment Index for Mastery Chs-Lenfest Campus?
Mastery Chs-Lenfest Campus has a Resource Investment Index of 20/100 (lower reported resources relative to schools nationally) based on 4 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 Mastery Chs-Lenfest Campus rank among schools in Philadelphia?
By Resource Investment Index, Mastery Chs-Lenfest Campus ranks #96 of 106 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 schools in Philadelphia on the city page.
Is Mastery Chs-Lenfest Campus a good school?
Mastery Chs-Lenfest Campus earns 20/100 on the Resource Investment Index, with class sizes larger than 83% 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 Mastery Chs-Lenfest Campus?
None; Mastery Chs-Lenfest Campus is a single-school charter district, and Mastery Chs-Lenfest Campus is its only campus.
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.