Enrollment
1,812
Illinois · 2024-25 NCES data
High school (grades 9-12) · Rock Island, IL
Rock Island High School
Federal NCES profile for Rock Island High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173441003540
👥 S:T ratio 28
📚 AP courses 50
🌟 Gifted program 30
🎓 Counselors 28
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rock Island High School earns 27/100 on the Resource Investment Index, with class sizes larger than 91% of Illinois schools. It is also one of the largest schools in Illinois.
- #9 of 12
- public schools in Rock Island · Resource Index
- 27
- Resource Index · Lower
- 17.9:1
- large classes for Illinois
- 1,812
- students enrolled
Rock Island High School has class sizes larger than 91% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Rock Island High School ranks #9 of 12 public schools in Rock Island, IL.
School address
District: Rock Island Sd 41 · Illinois
NCES ID 173441003540 Verify on NCES CCD record →
Teachers (FTE)
101.0
Federal CCD staff survey
Students per teacher
17.9:1
vs 14:1 Illinois avg
+28% vs state
Student-teacher ratio in context
How Rock Island High School compares with Illinois and U.S. medians
What stands out at Rock Island High School
Rock Island High School is a large high school in Rock Island, Illinois, enrolling 1,812 students.
Class loads run heavy: 17.9:1 is larger than about 91% of Illinois schools and 28% above the 14:1 state mean, so each teacher carries more students than is typical.
By headcount it is one of the larger campuses in Illinois, bigger than 97% of state schools at 1,812 students.
Its Resource Investment Index trails 94% of the 3,845 Illinois schools with a score on record, one of the lower results on this measure.
Its student body is led by White (35%) and African American (33%), more mixed than most schools in the state (diversity index 73/100).
On the academic-pipeline side it reports 10 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 362 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 40.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 21.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 403 in- and out-of-school suspensions were reported for 1,812 students in the 2021-22 Civil Rights Data Collection.
Rock Island Sd 41 also operates Rock Island Academy (540 students) and Washington Jr High School (529 students) alongside Rock Island 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 Rock Island High School compares
Rock Island 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 | 17.9:1 | ▲ 28% | 14:1 | 15.7:1 |
| Enrollment | 1,812 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.9:1
Leaner classes than 25% of US schools, heavier class loads than most.
1,812
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
17.9:1
students per teacher
- 28% above state mean
Top 91% in Illinois - lower ratio than 9% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
40.5%
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
$16,041
per pupil, district-wide
- below Illinois avg of $17,042
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors5.0 FTE
Per 362 students, the combined health-and-guidance staffing load for this school.
Discipline context
178
in-school suspensions + 225 out-of-school
Suspension rate: 9.8 per 100 students. Combined in-school and out-of-school rate: 22.2 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 34.7%
African American 32.8%
Hispanic or Latino 17.1%
Two or More 7.7%
Asian 7.4%
American Indian / Alaska Native 0.3%
Largest group: White at 34.7% of enrollment.
Student-body diversity index 73.1/100
Simpson diversity index - at 73.1, Rock Island High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 10
Funding & spending
District-wide per-pupil expenditure for Rock Island Sd 41, which includes Rock Island High School.
$16,041
Per student
-6%
vs Illinois
Avg $17,042
-3%
vs U.S.
Avg $16,593
Revenue mix
Local 37.9%
State 40.5%
Federal 21.6%
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 Island High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Rock Island Academy | Smaller | No free-lunch data | Lower S:T ratio |
| Washington Jr High School | Smaller | No free-lunch data | Lower S:T ratio |
| Eugene Field Elem School | Smaller | No free-lunch data | Higher S:T ratio |
| Ricms | Smaller | No free-lunch data | Similar S:T ratio |
| Edison Jr High School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Rock Island High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 540
- Students per teacher
- 15.9:1
- Resource Index
- 17/100
- Enrollment
- 529
- Students per teacher
- 15.6:1
- Resource Index
- 27/100
- Enrollment
- 496
- Students per teacher
- 21.6:1
- Resource Index
- 32/100
- Enrollment
- 462
- Students per teacher
- 16.5:1
- Resource Index
- 38/100
- Enrollment
- 398
- Students per teacher
- 16.6:1
- Resource Index
- 21/100
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 (~1,812 students)
Next steps
Verify locally before acting on Rock Island High School's federal record.
- Compare Rock Island High School against another school. Compare schools
- Rock Island Sd 41'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 Island High School
How many students attend Rock Island High School?
Rock Island High School has 1,812 students enrolled. It is a high school in Rock Island, IL.
What is the student-teacher ratio at Rock Island High School?
The student-teacher ratio at Rock Island High School is 17.9:1, which is 28% higher than the Illinois average of 14:1 and 14% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Rock Island High School?
The largest demographic group at Rock Island High School is White at 34.7% of enrollment, in Rock Island, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.1/100.
What is the Resource Investment Index for Rock Island High School?
Rock Island High School has a Resource Investment Index of 27/100 (lower 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 Rock Island High School rank among public schools in Rock Island?
By Resource Investment Index, Rock Island High School ranks #9 of 12 public schools in Rock Island, 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 Island on the city page.
Is Rock Island High School a good school?
Rock Island High School earns 27/100 on the Resource Investment Index, with class sizes larger than 91% of Illinois schools. It is also one of the largest schools in Illinois. 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 Island Sd 41?
Besides Rock Island High School, Rock Island Sd 41 also operates Rock Island Academy (540 students), Washington Jr High School (529 students), and Eugene Field Elem School (496 students). See the Rock Island Sd 41 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.