Enrollment
1,290
Pennsylvania · 2024-25 NCES data
Elementary school (grades K-5) · Philadelphia, PA
Mast Community Cs Iii
Federal NCES profile for Mast Community Cs Iii, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataElementary school (grades K-5)NCES 420090307674Charter school
👥 S:T ratio 34
🌟 Gifted program 30
🎓 Counselors 36
📋 Attendance 42
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mast Community Cs Iii earns 35/100 on the Resource Investment Index, with class sizes larger than 88% of Pennsylvania schools. It is also one of the largest schools in Pennsylvania.
- #62 of 131
- elementary schools in Philadelphia · Resource Index
- 35
- Resource Index · Typical
- 16.5:1
- large classes for Pennsylvania
- 100.0%
- free-lunch eligible
Mast Community Cs Iii has class sizes larger than 88% of Pennsylvania schools. Computed live against every Pennsylvania school reporting to NCES.
By Resource Investment Index, Mast Community Cs Iii ranks #62 of 131 elementary schools in Philadelphia, PA.
School address
District: Mast Community Cs Iii · Pennsylvania
NCES ID 420090307674 Verify on NCES CCD record →
Teachers (FTE)
78.0
Federal CCD staff survey
Students per teacher
16.5:1
vs 13.6:1 Pennsylvania avg
+21% vs state
Free-lunch eligible
100.0%
vs 58.1% Pennsylvania avg
+72% vs state
Student-teacher ratio in context
How Mast Community Cs Iii compares with Pennsylvania and U.S. medians
What stands out at Mast Community Cs Iii
Mast Community Cs Iii is a high-poverty, large charter elementary school in Philadelphia, Pennsylvania, enrolling 1,290 students.
Class loads run heavy: 16.5:1 is larger than about 88% of Pennsylvania schools and 21% above the 13.6:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 100.0% of students eligible for free meals.
By headcount it is one of the larger campuses in Pennsylvania, bigger than 95% of state schools at 1,290 students.
Its Resource Investment Index lands in the lower third of 2,889 scored Pennsylvania schools.
Against 126 statewide peers matched on enrollment and economic need, it ranks mid-pack at #67.
Its student body is led by African American (36%) and Hispanic or Latino (29%), more mixed than most schools in the state (diversity index 73/100).
Counselor coverage runs a bit thin, about 323 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 23.3% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Mast Community Cs Iii spends $11,569 per pupil, 36% below the Pennsylvania average, a leaner-resourced district than most.
Its district draws 19.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Philadelphia's elementary schools, it stands alongside Northeast Community Propel Academy (1,783 students): Mast Community Cs Iii is smaller than that campus by headcount and runs leaner classes (16.5:1 vs 22.6:1).
Mast Community Cs Iii is a single-school charter district, so Mast Community Cs Iii operates independently rather than alongside district-mates. At 1,290 students, it is also among the largest single-school districts in Pennsylvania, well beyond the enrollment of a typical standalone charter.
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 Mast Community Cs Iii compares
Mast Community Cs Iii on the metrics families compare, against Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.5:1 | ▲ 21% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 100.0% | ▲ 72% | 58.1% | 51.7% |
| Enrollment | 1,290 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.5:1
Leaner classes than 34% of US schools, a middle-of-the-pack class size.
1,290
Bigger than 95% of US schools by enrollment, a large campus nationally.
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
16.5:1
students per teacher
- 21% above state mean
Top 88% in Pennsylvania - lower ratio than 12% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
23.3%
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
$11,569
per pupil, district-wide
- below Pennsylvania avg of $17,970
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors4.0 FTE
Per 323 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 86 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 6.7 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 35.6%
Hispanic or Latino 28.5%
White 22.3%
Asian 8.8%
Two or More 4.3%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.2%
Largest group: African American at 35.6% of enrollment.
Student-body diversity index 73.3/100
Simpson diversity index - at 73.3, Mast Community Cs Iii is more mixed than the Pennsylvania school average of 37.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Mast Community Cs Iii, which includes Mast Community Cs Iii.
$11,569
Per student
-36%
vs Pennsylvania
Avg $17,970
-30%
vs U.S.
Avg $16,593
Revenue mix
Local 79.4%
State 0.8%
Federal 19.8%
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 elementary schools in Philadelphia
6 comparable elementary schools (grades K-5) serving the same city.
Northeast Community Propel Academy
Standard public school
1,783 students 22.6:1 students per teacher
Mayfair Sch
Standard public school
1,763 students 21:1 students per teacher
Solis-Cohen Solomon Sch
Standard public school
1,350 students 17.1:1 students per teacher
Moore J Hampton Sch
Standard public school
1,192 students 17:1 students per teacher
Farrell Louis H Sch
Standard public school
1,187 students 18:1 students per teacher
Decatur Stephen Sch
Standard public school
1,028 students 16.6:1 students per teacher
Similar elementary 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 (~1,290 students)
Similar student-teacher ratio (~16.5:1)
Next steps
Verify locally before acting on Mast Community Cs Iii's federal record.
- Compare Mast Community Cs Iii against another school. Compare schools
- Mast Community Cs Iii'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 Mast Community Cs Iii
How many students attend Mast Community Cs Iii?
Mast Community Cs Iii has 1,290 students enrolled. It is an elementary school in Philadelphia, PA.
What is the student-teacher ratio at Mast Community Cs Iii?
The student-teacher ratio at Mast Community Cs Iii is 16.5:1, which is 21% higher than the Pennsylvania average of 13.6:1 and 5% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mast Community Cs Iii?
100.0% of students at Mast Community Cs Iii are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
What is the racial and ethnic makeup of Mast Community Cs Iii?
The largest demographic group at Mast Community Cs Iii is African American at 35.6% of enrollment, in Philadelphia, PA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.3/100.
What is the Resource Investment Index for Mast Community Cs Iii?
Mast Community Cs Iii has a Resource Investment Index of 35/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mast Community Cs Iii rank among elementary schools in Philadelphia?
By Resource Investment Index, Mast Community Cs Iii ranks #62 of 131 elementary 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 elementary schools in Philadelphia on the city page.
Is Mast Community Cs Iii a good school?
Mast Community Cs Iii earns 35/100 on the Resource Investment Index, with class sizes larger than 88% of Pennsylvania schools. It is also one of the largest schools in Pennsylvania. 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 Mast Community Cs Iii?
None; Mast Community Cs Iii is a single-school charter district, and Mast Community Cs Iii 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.