- Enrollment
- 1,400
- Students per teacher
- 12.5:1
- Resource Index
- 30/100
High school (grades 9-12) · Janesville, WI
Rock University High
Federal NCES profile for Rock University High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 24/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 550702002952Charter school
👥 S:T ratio 26
🌟 Gifted program 30
📋 Attendance 17
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rock University High earns 24/100 on the Resource Investment Index, with class sizes larger than 91% of Wisconsin schools.
- #2 of 3
- high schools in Janesville · Resource Index
- 24
- Resource Index · Lower
- 18.6:1
- large classes for Wisconsin
- 38.5%
- free-lunch eligible
Rock University High has class sizes larger than 91% of Wisconsin schools. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, Rock University High ranks #2 of 3 high schools in Janesville, WI.
School address
District: Janesville School District · Wisconsin
NCES ID 550702002952 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+7 students YoY
Rock University High grew from 91 students in 2022-23 to 98 in 2023-24 (+7.7%).
Teacher FTE added 5.8 → 7.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+7 students YoY 550702002952 · Janesville, WI High · SMALL · CHARTER
93 enr · 18.6:1 · 38.5% lunch · RII 24
Nearest enrollment peer: Craig High (1,400 students)
Rock University High grew from 91 students in 2022-23 to 98 in 2023-24 (+7.7%). Teacher FTE added 5.8 → 7.2 across the same CCD years. Read with this school → · District book → · Wisconsin schools → · Find another →
Rock University High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Craig High
Craig High
1,400 students
- Parker High
Parker High
1,272 students
- Marshall Middl
Marshall Middle
747 students
- Edison Middle
Edison Middle
587 students
- Franklin Middl 486
Franklin Middle
486 students
- This school 93
Rock University High
93 students
What this shows Rock University High reports 93 students on the CCD universe file.
How Rock University High compares
Rock University High is a growing campus on CCD: ratios and free-lunch share vs Wisconsin and U.S. means.
| Metric | This school | vs Wisconsin | Wisconsin avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.6:1 | ▲ 29% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 38.5% | ▼ 0% | 38.5% | 51.7% |
| Enrollment | 93 | top 87% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.6:1
Leaner classes than 22% of US schools, heavier class loads than most.
93
Bigger than 9% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
38.5%
free-lunch eligible
- 0% above the Wisconsin average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
18.6:1
students per teacher
- 29% above state mean
Top 91% in Wisconsin - lower ratio than 9% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
33.3%
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
$13,990
per pupil, district-wide
- below Wisconsin avg of $15,645
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.
Student demographics
White 76.3%
Hispanic or Latino 17.2%
Two or More 4.3%
African American 2.2%
Largest group: White at 76.3% of enrollment.
Student-body diversity index 38.6/100
Simpson diversity index - at 38.6, Rock University High is more mixed than the Wisconsin school average of 35.7.
Programs
AP courses offered 3
District finance for Janesville School District reports $13,990 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Rock University High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Craig High | Larger | Similar economic need | Lower S:T ratio |
| Parker High | Larger | Similar economic need | Lower S:T ratio |
| Marshall Middle | Larger | Similar economic need | Lower S:T ratio |
| Edison Middle | Larger | Higher economic need | Lower S:T ratio |
| Franklin Middle | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Rock University High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,272
- Students per teacher
- 13.1:1
- Resource Index
- 23/100
- Enrollment
- 747
- Students per teacher
- 14.1:1
- Resource Index
- 36/100
- Enrollment
- 587
- Students per teacher
- 12.8:1
- Resource Index
- 43/100
- Enrollment
- 486
- Students per teacher
- 10.1:1
- Resource Index
- 45/100
Similar high schools in Janesville
2 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~93 students)
Similar student-teacher ratio (~18.6:1)
Frequently asked questions about Rock University High
How many students attend Rock University High?
Rock University High has 93 students enrolled. It is a high school in Janesville, WI. CCD year-over-year: 91 (2022-23) → 98 (2023-24), up 7.
What is the student-teacher ratio at Rock University High?
The student-teacher ratio at Rock University High is 18.6:1, which is 29% higher than the Wisconsin average of 14.4:1 and 18% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Rock University High?
38.5% of students at Rock University High are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of Rock University High?
The largest demographic group at Rock University High is White at 76.3% of enrollment, in Janesville, WI.
What is the Resource Investment Index for Rock University High?
Rock University High has a Resource Investment Index of 24/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Rock University High rank among high schools in Janesville?
By Resource Investment Index, Rock University High ranks #2 of 3 high schools in Janesville, WI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Janesville on the city page.
What other schools are in Janesville School District?
Besides Rock University High, Janesville School District also operates Craig High (1,400 students), Parker High (1,272 students), and Marshall Middle (747 students). See the Janesville School District district page for the complete list.