Enrollment
692
Illinois · 2024-25 NCES data
High school (grades 9-12) · Rochester, IL
Rochester High School
Federal NCES profile for Rochester High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173432003518
👥 S:T ratio 40
📚 AP courses 5
🌟 Gifted program 30
🎓 Counselors 65
📋 Attendance 46
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rochester High School earns 37/100 on the Resource Investment Index, with class sizes larger than 70% of Illinois schools.
- #3 of 5
- public schools in Rochester · Resource Index
- 37
- Resource Index · Typical
- 15:1
- large classes for Illinois
- 692
- students enrolled
Rochester High School has class sizes larger than 70% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Rochester High School ranks #3 of 5 public schools in Rochester, IL.
School address
District: Rochester Cusd 3a · Illinois
NCES ID 173432003518 Verify on NCES CCD record →
Teachers (FTE)
46.0
Federal CCD staff survey
Students per teacher
15:1
vs 14:1 Illinois avg
+7% vs state
Student-teacher ratio in context
How Rochester High School compares with Illinois and U.S. medians
What stands out at Rochester High School
Rochester High School is a large high school in Rochester, Illinois, enrolling 692 students.
Class loads run somewhat heavier than typical: 15:1 puts it in the larger third of Illinois schools by student-teacher ratio.
Enrollment of 692 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is predominantly White (90% of enrollment) (diversity index 18/100).
On the academic-pipeline side it reports 1 Advanced Placement course.
Counselor coverage is strong, about 173 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 21.5% of students chronically absent per the 2021-22 civil-rights collection.
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 Elem Ec-1 Sch (402 students) and Rochester Intermediate School (394 students) alongside Rochester High 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 Rochester High School compares
Rochester High 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 | 15:1 | ▲ 7% | 14:1 | 15.7:1 |
| Enrollment | 692 | top 15% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15:1
Leaner classes than 47% of US schools, a middle-of-the-pack class size.
692
Bigger than 80% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
15:1
students per teacher
- 7% above state mean
Top 70% in Illinois - lower ratio than 30% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
21.5%
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
$12,258
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
Counselors4.0 FTE
Per 173 students, the combined health-and-guidance staffing load for this school.
Discipline context
17
in-school suspensions + 7 out-of-school
Suspension rate: 2.5 per 100 students. Combined in-school and out-of-school rate: 3.5 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 90.2%
Two or More 2.9%
African American 2.3%
Hispanic or Latino 2.3%
Asian 2.0%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 90.2% of enrollment.
Student-body diversity index 18.4/100
Simpson diversity index - at 18.4, Rochester High School is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 1
Funding & spending
District-wide per-pupil expenditure for Rochester Cusd 3a, which includes Rochester High School.
$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 High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Rochester Elem Ec-1 Sch | Smaller | No free-lunch data | Higher S:T ratio |
| Rochester Intermediate School | Smaller | No free-lunch data | Similar S:T ratio |
| Rochester Jr High School | Smaller | No free-lunch data | Similar S:T ratio |
| Rochester Elem 2-3 | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Rochester High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 402
- Students per teacher
- 20.1:1
- Resource Index
- 46/100
- 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 high 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 (~692 students)
Similar student-teacher ratio (~15:1)
Next steps
Verify locally before acting on Rochester High School's federal record.
- Compare Rochester High School 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 High School
How many students attend Rochester High School?
Rochester High School has 692 students enrolled. It is a high school in Rochester, IL.
What is the student-teacher ratio at Rochester High School?
The student-teacher ratio at Rochester High School is 15:1, which is 7% higher than the Illinois average of 14:1 and 4% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Rochester High School?
The largest demographic group at Rochester High School is White at 90.2% of enrollment, in Rochester, IL.
What is the Resource Investment Index for Rochester High School?
Rochester High School has a Resource Investment Index of 37/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Rochester High School rank among public schools in Rochester?
By Resource Investment Index, Rochester High School ranks #3 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 High School a good school?
Rochester High School earns 37/100 on the Resource Investment Index, with class sizes larger than 70% 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 High School, Rochester Cusd 3a also operates Rochester Elem Ec-1 Sch (402 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.