Enrollment
277
Illinois · 2024-25 NCES data
Elementary school (grades K-5) · Marengo, IL
Riley Comm Cons School
Federal NCES profile for Riley Comm Cons School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataElementary school (grades K-5)NCES 173375003470
👥 S:T ratio 52
🌟 Gifted program 30
📋 Attendance 54
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Riley Comm Cons School earns 45/100 on the Resource Investment Index, with class sizes smaller than 71% of Illinois schools.
- #2 of 5
- public schools in Marengo · Resource Index
- 45
- Resource Index · Typical
- 12:1
- small classes for Illinois
- 277
- students enrolled
Riley Comm Cons School has class sizes smaller than 71% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Riley Comm Cons School ranks #2 of 5 public schools in Marengo, IL.
School address
District: Riley Ccsd 18 · Illinois
NCES ID 173375003470 Verify on NCES CCD record →
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
12:1
vs 14:1 Illinois avg
-14% vs state
Student-teacher ratio in context
How Riley Comm Cons School compares with Illinois and U.S. medians
What stands out at Riley Comm Cons School
Riley Comm Cons School is a mid-sized elementary school in Marengo, Illinois, enrolling 277 students.
Class sizes run a bit leaner than typical: 12:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 277 puts it in the smaller third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (68%) and Hispanic or Latino (31%) (diversity index 44/100).
Attendance runs somewhat below the norm, with 18.4% of students chronically absent per the 2021-22 civil-rights collection.
Among Marengo's elementary schools, it stands alongside Ulysses S Grant Intermediate Sch (249 students): Riley Comm Cons School is larger than that campus by headcount and runs leaner classes (12:1 vs 17.8:1).
Riley Ccsd 18 operates only this one school, so Riley Comm Cons School has no district-mates to compare against locally.
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 Riley Comm Cons School compares
Riley Comm Cons 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 | 12:1 | ▼ 14% | 14:1 | 15.7:1 |
| Enrollment | 277 | top 68% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12:1
Leaner classes than 75% of US schools, among the more generously staffed nationally.
277
Bigger than 29% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
12:1
students per teacher
- 14% below state mean
Top 29% in Illinois - lower ratio than 71% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
18.4%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$15,578
per pupil, district-wide
- below Illinois avg of $17,042
Somewhat below the U.S. average per-pupil spend; funding constraints 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 + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.4 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 68.2%
Hispanic or Latino 31.4%
Two or More 0.4%
Largest group: White at 68.2% of enrollment.
Student-body diversity index 43.6/100
Simpson diversity index - at 43.6, Riley Comm Cons School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Riley Ccsd 18, which includes Riley Comm Cons School.
$15,578
Per student
-9%
vs Illinois
Avg $17,042
-6%
vs U.S.
Avg $16,593
Revenue mix
Local 56.6%
State 38.0%
Federal 5.4%
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.
Similar elementary schools in Marengo
1 comparable elementary schools (grades K-5) serving the same city.
Similar elementary 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 (~277 students)
Similar student-teacher ratio (~12:1)
Next steps
Verify locally before acting on Riley Comm Cons School's federal record.
- Compare Riley Comm Cons School against another school. Compare schools
- Riley Ccsd 18'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 Riley Comm Cons School
How many students attend Riley Comm Cons School?
Riley Comm Cons School has 277 students enrolled. It is an elementary school in Marengo, IL.
What is the student-teacher ratio at Riley Comm Cons School?
The student-teacher ratio at Riley Comm Cons School is 12:1, which is 14% lower than the Illinois average of 14:1 and 24% 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 Riley Comm Cons School?
The largest demographic group at Riley Comm Cons School is White at 68.2% of enrollment, in Marengo, IL.
What is the Resource Investment Index for Riley Comm Cons School?
Riley Comm Cons School has a Resource Investment Index of 45/100 (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 Riley Comm Cons School rank among public schools in Marengo?
By Resource Investment Index, Riley Comm Cons School ranks #2 of 5 public schools in Marengo, 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 Marengo on the city page.
Is Riley Comm Cons School a good school?
Riley Comm Cons School earns 45/100 on the Resource Investment Index, with class sizes smaller than 71% 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 Riley Ccsd 18?
None reported; Riley Ccsd 18 operates only Riley Comm Cons School as a public school district in NCES's records.
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.