Enrollment
246
Illinois · 2024-25 NCES data
Middle school (grades 6-8) · Rock Falls, IL
Rock Falls Middle School
Federal NCES profile for Rock Falls Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 173435003523
👥 S:T ratio 53
🌟 Gifted program 30
📋 Attendance 16
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rock Falls Middle School earns 33/100 on the Resource Investment Index, with class sizes smaller than 75% of Illinois schools.
- #6 of 7
- public schools in Rock Falls · Resource Index
- 33
- Resource Index · Typical
- 11.7:1
- small classes for Illinois
- 246
- students enrolled
Rock Falls Middle School has class sizes smaller than 75% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Rock Falls Middle School ranks #6 of 7 public schools in Rock Falls, IL.
School address
District: Rock Falls Esd 13 · Illinois
NCES ID 173435003523 Verify on NCES CCD record →
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
11.7:1
vs 14:1 Illinois avg
-16% vs state
Student-teacher ratio in context
How Rock Falls Middle School compares with Illinois and U.S. medians
What stands out at Rock Falls Middle School
Rock Falls Middle School is a mid-sized middle school in Rock Falls, Illinois, enrolling 246 students.
Class sizes run a bit leaner than typical: 11.7:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 246 puts it in the smaller third of Illinois schools by headcount.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is led by White (56%) and Hispanic or Latino (35%) (diversity index 56/100).
Chronic absenteeism is elevated: 33.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 19.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 71 in- and out-of-school suspensions were reported for 246 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Rock Falls Esd 13 also operates Dillon Elementary School (278 students) and Merrill Elem School (258 students) alongside Rock Falls Middle 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 Rock Falls Middle School compares
Rock Falls Middle 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 | 11.7:1 | ▼ 16% | 14:1 | 15.7:1 |
| Enrollment | 246 | top 74% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.7:1
Leaner classes than 78% of US schools, among the more generously staffed nationally.
246
Bigger than 25% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
11.7:1
students per teacher
- 16% below state mean
Top 25% in Illinois - lower ratio than 75% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
33.7%
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
$17,720
per pupil, district-wide
- above Illinois avg of $17,042
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
30
in-school suspensions + 41 out-of-school
Suspension rate: 12.2 per 100 students. Combined in-school and out-of-school rate: 28.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 55.9%
Hispanic or Latino 35.1%
Two or More 4.5%
African American 3.3%
Asian 0.8%
American Indian / Alaska Native 0.4%
Largest group: White at 55.9% of enrollment.
Student-body diversity index 56.1/100
Simpson diversity index - at 56.1, Rock Falls Middle School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Rock Falls Esd 13, which includes Rock Falls Middle School.
$17,720
Per student
+4%
vs Illinois
Avg $17,042
+7%
vs U.S.
Avg $16,593
Revenue mix
Local 22.3%
State 58.6%
Federal 19.1%
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 Rock Falls Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Dillon Elementary School | Similar size | No free-lunch data | Higher S:T ratio |
| Merrill Elem School | Similar size | No free-lunch data | Similar S:T ratio |
| Riverdale Preschool Center | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Rock Falls Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 278
- Students per teacher
- 13.2:1
- Resource Index
- 36/100
- Enrollment
- 258
- Students per teacher
- 12.9:1
- Resource Index
- 42/100
- Enrollment
- 145
- Students per teacher
- 36.3:1
- Resource Index
- 15/100
Similar middle 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 (~246 students)
Next steps
Verify locally before acting on Rock Falls Middle School's federal record.
- Compare Rock Falls Middle School against another school. Compare schools
- Rock Falls Esd 13'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 Rock Falls Middle School
How many students attend Rock Falls Middle School?
Rock Falls Middle School has 246 students enrolled. It is a middle school in Rock Falls, IL.
What is the student-teacher ratio at Rock Falls Middle School?
The student-teacher ratio at Rock Falls Middle School is 11.7:1, which is 16% lower than the Illinois average of 14:1 and 25% 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 Rock Falls Middle School?
The largest demographic group at Rock Falls Middle School is White at 55.9% of enrollment, in Rock Falls, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.1/100.
What is the Resource Investment Index for Rock Falls Middle School?
Rock Falls Middle School has a Resource Investment Index of 33/100 (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 Rock Falls Middle School rank among public schools in Rock Falls?
By Resource Investment Index, Rock Falls Middle School ranks #6 of 7 public schools in Rock Falls, 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 Rock Falls on the city page.
Is Rock Falls Middle School a good school?
Rock Falls Middle School earns 33/100 on the Resource Investment Index, with class sizes smaller than 75% 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 Rock Falls Esd 13?
Besides Rock Falls Middle School, Rock Falls Esd 13 also operates Dillon Elementary School (278 students), Merrill Elem School (258 students), and Riverdale Preschool Center (145 students). See the Rock Falls Esd 13 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.