- Enrollment
- 1,697
- Students per teacher
- 15.7:1
- Resource Index
- 44/100
Elementary school (grades K-5) · Hudson, WI
Rock Elementary
Federal NCES profile for Rock Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataElementary school (grades K-5)NCES 550669000731
👥 S:T ratio 50
🌟 Gifted program 70
🎓 Counselors 23
📋 Attendance 52
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rock Elementary earns 49/100 on the Resource Investment Index, with class sizes near the Wisconsin median.
- #3 of 4
- elementary schools in Hudson · Resource Index
- 49
- Resource Index · Higher
- 12.4:1
- students per teacher
- 17.5%
- free-lunch eligible
Rock Elementary has class sizes near the Wisconsin median. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, Rock Elementary ranks #3 of 4 elementary schools in Hudson, WI.
School address
District: Hudson School District · Wisconsin
NCES ID 550669000731 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-21 students YoY
Rock Elementary shrank from 405 students in 2022-23 to 384 in 2023-24 (-5.2%).
Teacher FTE lost 31.2 → 29.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-21 students YoY 550669000731 · Hudson, WI Elementary · SMALL · TRAD
383 enr · 12.4:1 · 17.5% lunch · RII 49
Nearest enrollment peer: Hudson High (1,697 students)
Rock Elementary shrank from 405 students in 2022-23 to 384 in 2023-24 (-5.2%). Teacher FTE lost 31.2 → 29.2 across the same CCD years. Read with this school → · District book → · Wisconsin schools → · Find another →
Rock Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Hudson High
Hudson High
1,697 students
- Hudson Middle
Hudson Middle
1,089 students
- Hudson Prairie 481
Hudson Prairie Elementary
481 students
- This school 383
Rock Elementary
383 students
- River Crest El 366
River Crest Elementary
366 students
- Hudson 4k 320
Hudson 4k
320 students
What this shows Rock Elementary reports 383 students on the CCD universe file.
How Rock Elementary compares
Rock Elementary is a shrinking 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 | 12.4:1 | ▼ 14% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 17.5% | ▼ 55% | 38.5% | 51.7% |
| Enrollment | 383 | top 36% | - | - |
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.
383
Bigger than 45% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
17.5%
free-lunch eligible
- 55% below the Wisconsin average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.4:1
students per teacher
- 14% below state mean
Top 38% in Wisconsin - lower ratio than 62% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
19.1%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$15,003
per pupil, district-wide
- below Wisconsin avg of $15,645
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 383 students, the combined health-and-guidance staffing load for this school.
Discipline context
7
in-school suspensions + 1 out-of-school
Suspension rate: 1.8 per 100 students. Combined in-school and out-of-school rate: 2.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 83.6%
Hispanic or Latino 7.6%
Two or More 4.7%
Asian 3.1%
African American 1.0%
Largest group: White at 83.6% of enrollment.
Student-body diversity index 29.2/100
Simpson diversity index - at 29.2, Rock Elementary is less mixed than the Wisconsin school average of 35.7.
Programs
Gifted & talented Yes
District finance for Hudson School District reports $15,003 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Rock Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hudson High | Larger | Similar economic need | Higher S:T ratio |
| Hudson Middle | Larger | Similar economic need | Similar S:T ratio |
| Hudson Prairie Elementary | Larger | Similar economic need | Higher S:T ratio |
| River Crest Elementary | Similar size | Similar economic need | Similar S:T ratio |
| Hudson 4k | Similar size | Lower economic need | No ratio data |
Comparisons are relative to Rock Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,089
- Students per teacher
- 13.8:1
- Resource Index
- 50/100
- Enrollment
- 481
- Students per teacher
- 14.6:1
- Resource Index
- 39/100
- Enrollment
- 366
- Students per teacher
- 11.8:1
- Resource Index
- 49/100
- Enrollment
- 320
- Students per teacher
- -
- Resource Index
- 30/100
Similar elementary schools in Hudson
3 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary 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 (~383 students)
Frequently asked questions about Rock Elementary
How many students attend Rock Elementary?
Rock Elementary has 383 students enrolled. It is an elementary school in Hudson, WI. CCD year-over-year: 405 (2022-23) → 384 (2023-24), down 21.
What is the student-teacher ratio at Rock Elementary?
The student-teacher ratio at Rock Elementary is 12.4:1, which is 14% lower than the Wisconsin average of 14.4:1 and 21% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Rock Elementary?
17.5% of students at Rock Elementary are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of Rock Elementary?
The largest demographic group at Rock Elementary is White at 83.6% of enrollment, in Hudson, WI.
What is the Resource Investment Index for Rock Elementary?
Rock Elementary has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Rock Elementary rank among elementary schools in Hudson?
By Resource Investment Index, Rock Elementary ranks #3 of 4 elementary schools in Hudson, WI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Hudson on the city page.
What other schools are in Hudson School District?
Besides Rock Elementary, Hudson School District also operates Hudson High (1,697 students), Hudson Middle (1,089 students), and Hudson Prairie Elementary (481 students). See the Hudson School District district page for the complete list.