Enrollment
337
Pennsylvania · 2024-25 NCES data
Elementary school (grades K-5) · Pittsburgh, PA
Federal NCES profile for Marzolf Primary Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Marzolf Primary Sch earns 51/100 on the Resource Investment Index, with class sizes near the Pennsylvania median.
Marzolf Primary Sch has class sizes near the Pennsylvania median. Computed live against every Pennsylvania school reporting to NCES.
By Resource Investment Index, Marzolf Primary Sch ranks #26 of 62 elementary schools in Pittsburgh, PA.
NCES ID 422120005101 Verify on NCES CCD record →
Enrollment
337
Pennsylvania · 2024-25 NCES data
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
13:1
vs 13.6:1 Pennsylvania avg
-4% vs state
Free-lunch eligible
42.9%
vs 58.1% Pennsylvania avg
-26% vs state
How Marzolf Primary Sch compares with Pennsylvania and U.S. medians
At or below state median
13:1 - 0.6 below the Pennsylvania state median of 13.6:1, indicating smaller average class loads than typical schools in the state.
Marzolf Primary Sch is a mid-sized elementary school in Pittsburgh, Pennsylvania, enrolling 337 students.
At 13:1, its student-teacher ratio sits close to the Pennsylvania median, within a few percentage points of the 13.6:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 42.9% lands close to the Pennsylvania typical range, neither a high- nor low-need campus by this measure.
Enrollment of 337 puts it in the smaller third of Pennsylvania schools by headcount.
Its Resource Investment Index lands in the upper third of 2,889 scored Pennsylvania schools.
Against 522 statewide peers matched on enrollment and economic need, it ranks mid-pack at #224.
Its student body is predominantly White (86% of enrollment) (diversity index 26/100).
Counselor availability sits well past the ASCA benchmark, roughly 337 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 19.0% of students chronically absent per the 2021-22 civil-rights collection.
Among Pittsburgh's elementary schools, it stands alongside Penn Hills El Sch (1,228 students): Marzolf Primary Sch is smaller than that campus by headcount and runs leaner classes (13:1 vs 13.2:1).
Shaler Area Sd also operates Shaler Area Hs (1,160 students) and Shaler Area El Sch (870 students) alongside Marzolf Primary Sch.
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
Marzolf Primary Sch on the metrics families compare, against Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13:1 | ▼ 4% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 42.9% | ▼ 26% | 58.1% | 51.7% |
| Enrollment | 337 | top 71% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 85.8% of enrollment.
Simpson diversity index - at 25.7, Marzolf Primary Sch is less mixed than the Pennsylvania school average of 37.3.
District-wide per-pupil expenditure for Shaler Area Sd, which includes Marzolf Primary Sch.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Shaler Area Hs | Larger | Similar economic need | Lower S:T ratio |
| Shaler Area El Sch | Larger | Similar economic need | Similar S:T ratio |
| Shaler Area Ms | Larger | Similar economic need | Lower S:T ratio |
| Scott Primary Sch | Similar size | Lower economic need | Higher S:T ratio |
| Burchfield Primary Sch | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to Marzolf Primary Sch's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) serving the same city.
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.
Next steps
Verify locally before acting on Marzolf Primary Sch's federal record.
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.
Marzolf Primary Sch has 337 students enrolled. It is an elementary school in Pittsburgh, PA.
The student-teacher ratio at Marzolf Primary Sch is 13:1, which is 4% lower than the Pennsylvania average of 13.6:1 and 17% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
42.9% of students at Marzolf Primary Sch are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
The largest demographic group at Marzolf Primary Sch is White at 85.8% of enrollment, in Pittsburgh, PA.
Marzolf Primary Sch has a Resource Investment Index of 51/100 (higher 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).
By Resource Investment Index, Marzolf Primary Sch ranks #26 of 62 elementary schools in Pittsburgh, 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 Pittsburgh on the city page.
Marzolf Primary Sch earns 51/100 on the Resource Investment Index, with class sizes near the Pennsylvania median. 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.
Besides Marzolf Primary Sch, Shaler Area Sd also operates Shaler Area Hs (1,160 students), Shaler Area El Sch (870 students), and Shaler Area Ms (589 students). See the Shaler Area Sd district page for the complete list.
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.
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Last updated:
PlainSchools, “Marzolf Primary Sch, Pittsburgh PA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/marzolf-primary-sch-pa
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