Enrollment
402
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Rochester, IL
Rochester Elem Ec-1 Sch
Federal NCES profile for Rochester Elem Ec-1 Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataOther / mixed grade configurationNCES 173432003517
👥 S:T ratio 20
🌟 Gifted program 30
📋 Attendance 88
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rochester Elem Ec-1 Sch earns 46/100 on the Resource Investment Index, with class sizes larger than 96% of Illinois schools.
- #1 of 5
- public schools in Rochester · Resource Index
- 46
- Resource Index · Typical
- 20.1:1
- large classes for Illinois
- 402
- students enrolled
Rochester Elem Ec-1 Sch has class sizes larger than 96% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Rochester Elem Ec-1 Sch ranks #1 of 5 public schools in Rochester, IL.
School address
District: Rochester Cusd 3a · Illinois
NCES ID 173432003517 Verify on NCES CCD record →
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
20.1:1
vs 14:1 Illinois avg
+44% vs state
Student-teacher ratio in context
How Rochester Elem Ec-1 Sch compares with Illinois and U.S. medians
What stands out at Rochester Elem Ec-1 Sch
Rochester Elem Ec-1 Sch is a mid-sized combined-grade school in Rochester, Illinois, enrolling 402 students.
Class loads run heavy: 20.1:1 is larger than about 96% of Illinois schools and 44% above the 14:1 state mean, so each teacher carries more students than is typical.
With 402 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is predominantly White (89% of enrollment) (diversity index 21/100).
Attendance holds up well here: only 4.7% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Rochester Cusd 3a spends $12,258 per pupil, 28% below the Illinois average, a leaner-resourced district than most.
Rochester Cusd 3a also operates Rochester High School (692 students) and Rochester Intermediate School (394 students) alongside Rochester Elem Ec-1 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 Rochester Elem Ec-1 Sch compares
Rochester Elem Ec-1 Sch on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.1:1 | ▲ 44% | 14:1 | 15.7:1 |
| Enrollment | 402 | top 45% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.1:1
Leaner classes than 16% of US schools, heavier class loads than most.
402
Bigger than 48% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
20.1:1
students per teacher
- 44% above state mean
Top 96% in Illinois - lower ratio than 4% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
4.7%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$12,258
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 + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 88.8%
Two or More 4.7%
Hispanic or Latino 3.5%
African American 1.7%
Asian 1.0%
American Indian / Alaska Native 0.2%
Largest group: White at 88.8% of enrollment.
Student-body diversity index 20.8/100
Simpson diversity index - at 20.8, Rochester Elem Ec-1 Sch is less mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Rochester Cusd 3a, which includes Rochester Elem Ec-1 Sch.
$12,258
Per student
-28%
vs Illinois
Avg $17,042
-26%
vs U.S.
Avg $16,593
Revenue mix
Local 49.5%
State 41.7%
Federal 8.8%
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.
How Rochester Elem Ec-1 Sch Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Rochester High School | Larger | No free-lunch data | Lower S:T ratio |
| Rochester Intermediate School | Similar size | No free-lunch data | Lower S:T ratio |
| Rochester Jr High School | Smaller | No free-lunch data | Lower S:T ratio |
| Rochester Elem 2-3 | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Rochester Elem Ec-1 Sch's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 692
- Students per teacher
- 15:1
- Resource Index
- 45/100
- Enrollment
- 394
- Students per teacher
- 15.2:1
- Resource Index
- 43/100
- Enrollment
- 288
- Students per teacher
- 16:1
- Resource Index
- 38/100
- Enrollment
- 236
- Students per teacher
- 16.9:1
- Resource Index
- 46/100
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 (~402 students)
Similar student-teacher ratio (~20.1:1)
Next steps
Verify locally before acting on Rochester Elem Ec-1 Sch's federal record.
- Compare Rochester Elem Ec-1 Sch against another school. Compare schools
- Rochester Cusd 3a'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 Rochester Elem Ec-1 Sch
How many students attend Rochester Elem Ec-1 Sch?
Rochester Elem Ec-1 Sch has 402 students enrolled. It is a public school in Rochester, IL.
What is the student-teacher ratio at Rochester Elem Ec-1 Sch?
The student-teacher ratio at Rochester Elem Ec-1 Sch is 20.1:1, which is 44% higher than the Illinois average of 14:1 and 28% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Rochester Elem Ec-1 Sch?
The largest demographic group at Rochester Elem Ec-1 Sch is White at 88.8% of enrollment, in Rochester, IL.
What is the Resource Investment Index for Rochester Elem Ec-1 Sch?
Rochester Elem Ec-1 Sch has a Resource Investment Index of 46/100 (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 Rochester Elem Ec-1 Sch rank among public schools in Rochester?
By Resource Investment Index, Rochester Elem Ec-1 Sch ranks #1 of 5 public schools in Rochester, 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 Rochester on the city page.
Is Rochester Elem Ec-1 Sch a good school?
Rochester Elem Ec-1 Sch earns 46/100 on the Resource Investment Index, with class sizes larger than 96% of 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 Rochester Cusd 3a?
Besides Rochester Elem Ec-1 Sch, Rochester Cusd 3a also operates Rochester High School (692 students), Rochester Intermediate School (394 students), and Rochester Jr High School (288 students). See the Rochester Cusd 3a 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.