Other / mixed grade configuration · Rock Falls, IL

Riverdale Preschool Center

Federal NCES profile for Riverdale Preschool Center, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 15/100.

2024-25 NCES dataOther / mixed grade configurationNCES 173435006211
0/100100/10015/100
👥 S:T ratio
0
🌟 Gifted program
30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Riverdale Preschool Center earns 15/100 on the Resource Investment Index, with class sizes larger than 99% of Illinois schools.

#7 of 7
public schools in Rock Falls · Resource Index
15
Resource Index · Lower
36.3:1
large classes for Illinois
145
students enrolled

Riverdale Preschool Center has class sizes larger than 99% of Illinois schools. Computed live against every Illinois school reporting to NCES.

By Resource Investment Index, Riverdale Preschool Center ranks #7 of 7 public schools in Rock Falls, IL.

School address

Enrollment

145

Illinois · 2024-25 NCES data

Teachers (FTE)

4.0

Federal CCD staff survey

Students per teacher

36.3:1

vs 14:1 Illinois avg

+159% vs state

Student-teacher ratio in context

How Riverdale Preschool Center compares with Illinois and U.S. medians

Larger classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Riverdale Preschool Center

Riverdale Preschool Center is a small combined-grade school in Rock Falls, Illinois, enrolling 145 students.

Class loads run heavy: 36.3:1 is larger than about 99% of Illinois schools and 159% above the 14:1 state mean, so each teacher carries more students than is typical.

Enrollment of 145 puts it in the smaller third of Illinois schools by headcount.

Its Resource Investment Index trails 99% 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 (66%) and Hispanic or Latino (23%) (diversity index 51/100).

Its district draws 19.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.

Among Rock Falls's public schools, it stands alongside East Coloma - Nelson Elem Sch (214 students): Riverdale Preschool Center is smaller than that campus by headcount and runs heavier classes (36.3:1 vs 10.2:1).

Rock Falls Esd 13 also operates Dillon Elementary School (278 students) and Merrill Elem School (258 students) alongside Riverdale Preschool Center.

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 Riverdale Preschool Center compares

Riverdale Preschool Center on the metrics families compare, against Illinois and U.S. means.

Metric This school vs Illinois Illinois avg U.S. avg
Students per teacher 36.3:1 ▲ 159% 14:1 15.7:1
Enrollment 145 top 90% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

36.3:1
Leaner classes than 1% of US schools, heavier class loads than most.
145
Bigger than 14% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Staffing depth
36.3:1
students per teacher - 159% above state mean
Top 99% in Illinois - lower ratio than 1% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
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
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 65.5%
Hispanic or Latino 22.8%
African American 5.5%
Two or More 5.5%
American Indian / Alaska Native 0.7%

Largest group: White at 65.5% of enrollment.

Student-body diversity index 51.3/100

Simpson diversity index - at 51.3, Riverdale Preschool Center 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 Riverdale Preschool Center.

$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 Riverdale Preschool Center Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Dillon Elementary School Larger No free-lunch data Lower S:T ratio
Merrill Elem School Larger No free-lunch data Lower S:T ratio
Rock Falls Middle School Larger No free-lunch data Lower S:T ratio

Comparisons are relative to Riverdale Preschool Center's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Rock Falls Esd 13 · 3 sibling schools

View district profile

Similar other schools in Rock Falls

1 comparable other schools (grades Mixed) serving the same city.

Similar other 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.

Next steps

Verify locally before acting on Riverdale Preschool Center'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.

Frequently asked questions about Riverdale Preschool Center

How many students attend Riverdale Preschool Center?

Riverdale Preschool Center has 145 students enrolled. It is a public school in Rock Falls, IL.

What is the student-teacher ratio at Riverdale Preschool Center?

The student-teacher ratio at Riverdale Preschool Center is 36.3:1, which is 159% higher than the Illinois average of 14:1 and 131% higher than the national average of 15.7:1.

What is the racial and ethnic makeup of Riverdale Preschool Center?

The largest demographic group at Riverdale Preschool Center is White at 65.5% of enrollment, in Rock Falls, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.3/100.

What is the Resource Investment Index for Riverdale Preschool Center?

Riverdale Preschool Center has a Resource Investment Index of 15/100 (lower reported resources relative to schools nationally) based on 2 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.

How does Riverdale Preschool Center rank among public schools in Rock Falls?

By Resource Investment Index, Riverdale Preschool Center ranks #7 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 Riverdale Preschool Center a good school?

Riverdale Preschool Center earns 15/100 on the Resource Investment Index, with class sizes larger than 99% 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 Riverdale Preschool Center, Rock Falls Esd 13 also operates Dillon Elementary School (278 students), Merrill Elem School (258 students), and Rock Falls Middle School (246 students). See the Rock Falls Esd 13 district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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.