Enrollment
335
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Petersburg, IL
Petersburg Elem School
Federal NCES profile for Petersburg Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataOther / mixed grade configurationNCES 173141003312
👥 S:T ratio 50
🌟 Gifted program 30
📋 Attendance 39
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Petersburg Elem School earns 40/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also less racially and ethnically mixed than most Illinois schools.
- #1 of 3
- public schools in Petersburg · Resource Index
- 40
- Resource Index · Typical
- 12.4:1
- students per teacher
- 335
- students enrolled
Petersburg Elem School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Petersburg Elem School ranks #1 of 3 public schools in Petersburg, IL.
School address
District: Porta Cusd 202 · Illinois
NCES ID 173141003312 Verify on NCES CCD record →
Teachers (FTE)
27.0
Federal CCD staff survey
Students per teacher
12.4:1
vs 14:1 Illinois avg
-11% vs state
Student-teacher ratio in context
How Petersburg Elem School compares with Illinois and U.S. medians
What stands out at Petersburg Elem School
Petersburg Elem School is a mid-sized combined-grade school in Petersburg, Illinois, enrolling 335 students.
Class sizes run a bit leaner than typical: 12.4:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
With 335 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is predominantly White (96% of enrollment), among the less diverse in the state (diversity index 7/100).
Attendance runs somewhat below the norm, with 24.5% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Porta Cusd 202 spends $12,801 per pupil, 25% below the Illinois average, a leaner-resourced district than most.
Among Petersburg's public schools, it stands alongside Porta High School (411 students): Petersburg Elem School is smaller than that campus by headcount and runs heavier classes (12.4:1 vs 11.4:1).
Porta Cusd 202 also operates Porta High School (411 students) and Porta Central (288 students) alongside Petersburg Elem School.
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 Petersburg Elem School compares
Petersburg Elem School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.4:1 | ▼ 11% | 14:1 | 15.7:1 |
| Enrollment | 335 | top 57% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.4:1
Leaner classes than 72% of US schools, among the more generously staffed nationally.
335
Bigger than 37% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
12.4:1
students per teacher
- 11% below state mean
Top 34% in Illinois - lower ratio than 66% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
24.5%
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
$12,801
per pupil, district-wide
- below Illinois avg of $17,042
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.6 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
White 96.4%
Two or More 2.1%
Hispanic or Latino 0.9%
African American 0.6%
Largest group: White at 96.4% of enrollment.
Student-body diversity index 7.0/100
Simpson diversity index - at 7.0, Petersburg Elem School is less mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Porta Cusd 202, which includes Petersburg Elem School.
$12,801
Per student
-25%
vs Illinois
Avg $17,042
-23%
vs U.S.
Avg $16,593
Revenue mix
Local 54.9%
State 32.3%
Federal 12.7%
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 Petersburg Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Porta High School | Similar size | No free-lunch data | Similar S:T ratio |
| Porta Central | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Petersburg Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 411
- Students per teacher
- 11.4:1
- Resource Index
- 40/100
- Enrollment
- 288
- Students per teacher
- 11.5:1
- Resource Index
- 35/100
Similar other schools in Petersburg
1 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~335 students)
Similar student-teacher ratio (~12.4:1)
Next steps
Verify locally before acting on Petersburg Elem School's federal record.
- Compare Petersburg Elem School against another school. Compare schools
- Porta Cusd 202'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 Petersburg Elem School
How many students attend Petersburg Elem School?
Petersburg Elem School has 335 students enrolled. It is a public school in Petersburg, IL.
What is the student-teacher ratio at Petersburg Elem School?
The student-teacher ratio at Petersburg Elem School is 12.4:1, which is 11% lower than the Illinois average of 14:1 and 21% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Petersburg Elem School?
The largest demographic group at Petersburg Elem School is White at 96.4% of enrollment, in Petersburg, IL.
What is the Resource Investment Index for Petersburg Elem School?
Petersburg Elem School has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Petersburg Elem School rank among public schools in Petersburg?
By Resource Investment Index, Petersburg Elem School ranks #1 of 3 public schools in Petersburg, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Petersburg on the city page.
Is Petersburg Elem School a good school?
Petersburg Elem School earns 40/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also less racially and ethnically mixed than most Illinois 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 Porta Cusd 202?
Besides Petersburg Elem School, Porta Cusd 202 also operates Porta High School (411 students) and Porta Central (288 students). See the Porta Cusd 202 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.