Enrollment
602
Pennsylvania · 2024-25 NCES data
Elementary school (grades K-5) · Philadelphia, PA
Ad Prima Cs
Federal NCES profile for Ad Prima Cs, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataElementary school (grades K-5)NCES 420012900846Charter school
👥 S:T ratio 44
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 71
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ad Prima Cs earns 36/100 on the Resource Investment Index, with class sizes near the Pennsylvania median. It is also less racially and ethnically mixed than most Pennsylvania schools.
- #58 of 131
- elementary schools in Philadelphia · Resource Index
- 36
- Resource Index · Typical
- 14:1
- students per teacher
- 99.7%
- free-lunch eligible
Ad Prima Cs has class sizes near the Pennsylvania median. Computed live against every Pennsylvania school reporting to NCES.
By Resource Investment Index, Ad Prima Cs ranks #58 of 131 elementary schools in Philadelphia, PA.
School address
District: Ad Prima Cs · Pennsylvania
NCES ID 420012900846 Verify on NCES CCD record →
Teachers (FTE)
43.0
Federal CCD staff survey
Students per teacher
14:1
vs 13.6:1 Pennsylvania avg
+3% vs state
Free-lunch eligible
99.7%
vs 58.1% Pennsylvania avg
+72% vs state
Student-teacher ratio in context
How Ad Prima Cs compares with Pennsylvania and U.S. medians
What stands out at Ad Prima Cs
Ad Prima Cs is a high-poverty, mid-sized charter elementary school in Philadelphia, Pennsylvania, enrolling 602 students.
Class loads run somewhat heavier than typical: 14:1 puts it in the larger third of Pennsylvania schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 99.7% of students eligible for free meals.
Enrollment of 602 puts it in the larger third of Pennsylvania schools by headcount.
Its Resource Investment Index lands in the lower third of 2,889 scored Pennsylvania schools.
Against 470 statewide peers matched on enrollment and economic need, it ranks mid-pack at #267.
Its student body is predominantly African American (94% of enrollment), among the less diverse in the state (diversity index 12/100).
Counselor access is stretched at roughly 602 students per counselor, well above the ASCA-recommended 250:1 ceiling.
11.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Ad Prima Cs spends $23,823 per pupil, 33% above the Pennsylvania average, a better-resourced district than most.
Its district draws 22.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Philadelphia's elementary schools, it stands alongside Northeast Community Propel Academy (1,783 students): Ad Prima Cs is smaller than that campus by headcount and runs leaner classes (14:1 vs 22.6:1).
Ad Prima Cs is a single-school charter district, so Ad Prima Cs 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 Ad Prima Cs compares
Ad Prima Cs on the metrics families compare, against Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14:1 | ▲ 3% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 99.7% | ▲ 72% | 58.1% | 51.7% |
| Enrollment | 602 | top 29% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14:1
Leaner classes than 57% of US schools, a middle-of-the-pack class size.
602
Bigger than 73% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
99.7%
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
14:1
students per teacher
- 3% above state mean
Top 62% in Pennsylvania - lower ratio than 38% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
11.8%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$23,823
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 602 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 67 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 11.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 93.9%
Hispanic or Latino 3.3%
Two or More 2.3%
Asian 0.3%
American Indian / Alaska Native 0.2%
Largest group: African American at 93.9% of enrollment.
Student-body diversity index 11.7/100
Simpson diversity index - at 11.7, Ad Prima Cs is less mixed than the Pennsylvania school average of 37.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Ad Prima Cs, which includes Ad Prima Cs.
$23,823
Per student
+33%
vs Pennsylvania
Avg $17,970
+44%
vs U.S.
Avg $16,593
Revenue mix
Local 76.0%
State 1.2%
Federal 22.8%
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
Mast Community Cs Iii
Standard public school
1,290 students 16.5:1 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
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 (~602 students)
Similar student-teacher ratio (~14:1)
Next steps
Verify locally before acting on Ad Prima Cs's federal record.
- Compare Ad Prima Cs against another school. Compare schools
- Ad Prima Cs'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 Ad Prima Cs
How many students attend Ad Prima Cs?
Ad Prima Cs has 602 students enrolled. It is an elementary school in Philadelphia, PA.
What is the student-teacher ratio at Ad Prima Cs?
The student-teacher ratio at Ad Prima Cs is 14:1, which is 3% higher than the Pennsylvania average of 13.6:1 and 11% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Ad Prima Cs?
99.7% of students at Ad Prima Cs are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
What is the racial and ethnic makeup of Ad Prima Cs?
The largest demographic group at Ad Prima Cs is African American at 93.9% of enrollment, in Philadelphia, PA.
What is the Resource Investment Index for Ad Prima Cs?
Ad Prima Cs has a Resource Investment Index of 36/100 (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 Ad Prima Cs rank among elementary schools in Philadelphia?
By Resource Investment Index, Ad Prima Cs ranks #58 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 Ad Prima Cs a good school?
Ad Prima Cs earns 36/100 on the Resource Investment Index, with class sizes near the Pennsylvania median. It is also less racially and ethnically mixed than most 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 Ad Prima Cs?
None; Ad Prima Cs is a single-school charter district, and Ad Prima Cs 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.