Enrollment
398
Illinois · 2024-25 NCES data
Middle school (grades 6-8) · Rock Island, IL
Federal NCES profile for Edison Jr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.
The verdict
Edison Jr High School earns 21/100 on the Resource Investment Index, with class sizes larger than 84% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
Edison Jr High School has class sizes larger than 84% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Edison Jr High School ranks #9 of 12 public schools in Rock Island, IL.
NCES ID 173441003538 Verify on NCES CCD record →
Enrollment
398
Illinois · 2024-25 NCES data
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
16.6:1
vs 14:1 Illinois avg
+19% vs state
How Edison Jr High School compares with Illinois and U.S. medians
Slightly above state median
16.6:1 - 2.6 above the Illinois state median of 14:1, indicating larger average class loads than typical schools in the state.
Edison Jr High School is a mid-sized middle school in Rock Island, Illinois, enrolling 398 students.
Class loads run somewhat heavier than typical: 16.6:1 puts it in the larger third of Illinois schools by student-teacher ratio.
With 398 students, its enrollment sits close to the Illinois median campus size.
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 (36%) and African American (35%), more mixed than most schools in the state (diversity index 72/100).
Counselor availability sits well past the ASCA benchmark, roughly 398 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 41.0% 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.
Among Rock Island's middle schools, it stands alongside Washington Jr High School (529 students): Edison Jr High School is smaller than that campus by headcount and runs heavier classes (16.6:1 vs 15.6:1).
Rock Island Sd 41 also operates Rock Island High School (1,812 students) and Rock Island Academy (540 students) alongside Edison Jr 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
Edison Jr 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 | 16.6:1 | ▲ 19% | 14:1 | 15.7:1 |
| Enrollment | 398 | top 46% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 36.2% of enrollment.
Simpson diversity index - at 71.9, Edison Jr High School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Rock Island Sd 41, which includes Edison Jr High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Rock Island High School | Larger | No free-lunch data | Similar S:T ratio |
| Rock Island Academy | Larger | No free-lunch data | Similar S:T ratio |
| Washington Jr High School | Larger | No free-lunch data | Similar S:T ratio |
| Eugene Field Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Ricms | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Edison Jr High School's own figures; each column derives from NCES Common Core of Data.
1 comparable middle schools (grades 6-8) serving the same city.
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.
Next steps
Verify locally before acting on Edison Jr High School's federal record.
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.
Edison Jr High School has 398 students enrolled. It is a middle school in Rock Island, IL.
The student-teacher ratio at Edison Jr High School is 16.6:1, which is 19% higher than the Illinois average of 14:1 and 6% higher than the national average of 15.7:1.
The largest demographic group at Edison Jr High School is White at 36.2% of enrollment, in Rock Island, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.9/100.
Edison Jr High School has a Resource Investment Index of 21/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Edison Jr 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.
Edison Jr High School earns 21/100 on the Resource Investment Index, with class sizes larger than 84% of Illinois schools. It is also more racially and ethnically mixed than most 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.
Besides Edison Jr High School, Rock Island Sd 41 also operates Rock Island High School (1,812 students), Rock Island Academy (540 students), and Washington Jr High School (529 students). See the Rock Island Sd 41 district page for the complete list.
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.
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PlainSchools, “Edison Jr High School, Rock Island IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/edison-jr-high-school-il
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