Enrollment
512
Pennsylvania · 2024-25 NCES data
Elementary school (grades K-5) · Pittsburgh, PA
O'block El Sch
Federal NCES profile for O'block El Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataElementary school (grades K-5)NCES 421935000427
👥 S:T ratio 36
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
O'block El Sch earns 44/100 on the Resource Investment Index, with class sizes larger than 85% of Pennsylvania schools.
- #46 of 62
- elementary schools in Pittsburgh · Resource Index
- 44
- Resource Index · Typical
- 16:1
- large classes for Pennsylvania
- 32.9%
- free-lunch eligible
O'block El Sch has class sizes larger than 85% of Pennsylvania schools. Computed live against every Pennsylvania school reporting to NCES.
By Resource Investment Index, O'block El Sch ranks #46 of 62 elementary schools in Pittsburgh, PA.
School address
District: Plum Borough Sd · Pennsylvania
NCES ID 421935000427 Verify on NCES CCD record →
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
16:1
vs 13.6:1 Pennsylvania avg
+18% vs state
Free-lunch eligible
32.9%
vs 58.1% Pennsylvania avg
-43% vs state
Student-teacher ratio in context
How O'block El Sch compares with Pennsylvania and U.S. medians
What stands out at O'block El Sch
O'block El Sch is a mid-sized elementary school in Pittsburgh, Pennsylvania, enrolling 512 students.
Class loads run somewhat heavier than typical: 16:1 puts it in the larger third of Pennsylvania schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 32.9% of students eligible for free meals.
With 512 students, its enrollment sits close to the Pennsylvania median campus size.
Its Resource Investment Index sits near the middle of the pack among 2,889 scored Pennsylvania schools.
Among 682 similarly sized, similarly resourced-need Pennsylvania schools statewide, it ranks #505, in the lower tier once campus size and economic need are matched.
Its student body is led by White (76%) and African American (11%) (diversity index 40/100).
Counselor access is stretched at roughly 512 students per counselor, well above the ASCA-recommended 250:1 ceiling.
11.9% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Pittsburgh's elementary schools, it stands alongside Penn Hills El Sch (1,228 students): O'block El Sch is smaller than that campus by headcount and runs heavier classes (16:1 vs 13.2:1).
Plum Borough Sd also operates Plum Shs (1,220 students) and Pivik El Sch (740 students) alongside O'block El 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
How O'block El Sch compares
O'block El 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 | 16:1 | ▲ 18% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 32.9% | ▼ 43% | 58.1% | 51.7% |
| Enrollment | 512 | top 42% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16:1
Leaner classes than 38% of US schools, a middle-of-the-pack class size.
512
Bigger than 63% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
32.9%
free-lunch eligible
- 43% below the Pennsylvania average of 58.1%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16:1
students per teacher
- 18% above state mean
Top 85% in Pennsylvania - lower ratio than 15% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
11.9%
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
$15,004
per pupil, district-wide
- below Pennsylvania avg of $17,970
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 512 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.2 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
White 76.4%
African American 10.5%
Two or More 5.5%
Hispanic or Latino 3.9%
Asian 3.7%
Largest group: White at 76.4% of enrollment.
Student-body diversity index 39.9/100
Simpson diversity index - at 39.9, O'block El Sch is more mixed than the Pennsylvania school average of 37.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Plum Borough Sd, which includes O'block El Sch.
$15,004
Per student
-17%
vs Pennsylvania
Avg $17,970
-10%
vs U.S.
Avg $16,593
Revenue mix
Local 54.8%
State 39.4%
Federal 5.7%
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 O'block El Sch Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Plum Shs | Larger | Lower economic need | Similar S:T ratio |
| Pivik El Sch | Larger | Similar economic need | Higher S:T ratio |
| Plum Ms | Similar size | Similar economic need | Similar S:T ratio |
| Holiday Park Intermediate Sch | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to O'block El Sch's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,220
- Students per teacher
- 17.4:1
- Resource Index
- 45/100
- Enrollment
- 740
- Students per teacher
- 19:1
- Resource Index
- 41/100
- Enrollment
- 550
- Students per teacher
- 17.2:1
- Resource Index
- 47/100
- Enrollment
- 513
- Students per teacher
- 15.1:1
- Resource Index
- 42/100
Similar elementary schools in Pittsburgh
6 comparable elementary schools (grades K-5) serving the same city.
Penn Hills El Sch
Standard public school
1,228 students 13.2:1 students per teacher
Mcknight El Sch
Standard public school
875 students 15.4:1 students per teacher
Chartiers Valley Intrmd School
Standard public school
801 students 15.7:1 students per teacher
Pittsburgh Colfax K-8
Standard public school
789 students 14.6:1 students per teacher
Ohara El Sch
Standard public school
726 students 14:1 students per teacher
J.E. Harrison Education Ctr
Standard public school
716 students 9.8:1 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 (~512 students)
Similar student-teacher ratio (~16:1)
Next steps
Verify locally before acting on O'block El Sch's federal record.
- Compare O'block El Sch against another school. Compare schools
- Plum Borough 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 O'block El Sch
How many students attend O'block El Sch?
O'block El Sch has 512 students enrolled. It is an elementary school in Pittsburgh, PA.
What is the student-teacher ratio at O'block El Sch?
The student-teacher ratio at O'block El Sch is 16:1, which is 18% higher than the Pennsylvania average of 13.6:1 and 2% higher than the national average of 15.7:1.
What percentage of students receive free lunch at O'block El Sch?
32.9% of students at O'block El Sch are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
What is the racial and ethnic makeup of O'block El Sch?
The largest demographic group at O'block El Sch is White at 76.4% of enrollment, in Pittsburgh, PA.
What is the Resource Investment Index for O'block El Sch?
O'block El Sch has a Resource Investment Index of 44/100 (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 O'block El Sch rank among elementary schools in Pittsburgh?
By Resource Investment Index, O'block El Sch ranks #46 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.
Is O'block El Sch a good school?
O'block El Sch earns 44/100 on the Resource Investment Index, with class sizes larger than 85% 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 Plum Borough Sd?
Besides O'block El Sch, Plum Borough Sd also operates Plum Shs (1,220 students), Pivik El Sch (740 students), and Plum Ms (550 students). See the Plum Borough 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.