Enrollment
316
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Cary, IL
Oak Knoll Early Childhood Center
Federal NCES profile for Oak Knoll Early Childhood Center, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataOther / mixed grade configurationNCES 170873006622
👥 S:T ratio 34
🌟 Gifted program 30
📋 Attendance 49
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Oak Knoll Early Childhood Center earns 38/100 on the Resource Investment Index, with class sizes larger than 84% of Illinois schools.
- #6 of 6
- public schools in Cary · Resource Index
- 38
- Resource Index · Typical
- 16.6:1
- large classes for Illinois
- 316
- students enrolled
Oak Knoll Early Childhood Center has class sizes larger than 84% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Oak Knoll Early Childhood Center ranks #6 of 6 public schools in Cary, IL.
School address
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
16.6:1
vs 14:1 Illinois avg
+19% vs state
Student-teacher ratio in context
How Oak Knoll Early Childhood Center compares with Illinois and U.S. medians
What stands out at Oak Knoll Early Childhood Center
Oak Knoll Early Childhood Center is a mid-sized combined-grade school in Cary, Illinois, enrolling 316 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 316 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by White (75%) and Hispanic or Latino (19%) (diversity index 40/100).
Attendance runs somewhat below the norm, with 20.3% of students chronically absent per the 2021-22 civil-rights collection.
Cary Ccsd 26 also operates Cary Jr High School (761 students) and Deer Path Elem School (452 students) alongside Oak Knoll Early Childhood 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 Oak Knoll Early Childhood Center compares
Oak Knoll Early Childhood 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 | 16.6:1 | ▲ 19% | 14:1 | 15.7:1 |
| Enrollment | 316 | top 61% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.6:1
Leaner classes than 33% of US schools, heavier class loads than most.
316
Bigger than 35% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
16.6:1
students per teacher
- 19% above state mean
Top 84% in Illinois - lower ratio than 16% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
20.3%
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
$14,484
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 + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.6 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 74.7%
Hispanic or Latino 19.0%
Two or More 4.4%
Asian 1.3%
African American 0.6%
Largest group: White at 74.7% of enrollment.
Student-body diversity index 40.4/100
Simpson diversity index - at 40.4, Oak Knoll Early Childhood Center is about as mixed as the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Cary Ccsd 26, which includes Oak Knoll Early Childhood Center.
$14,484
Per student
-15%
vs Illinois
Avg $17,042
-13%
vs U.S.
Avg $16,593
Revenue mix
Local 63.4%
State 27.8%
Federal 8.8%
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 Oak Knoll Early Childhood Center Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Cary Jr High School | Larger | No free-lunch data | Lower S:T ratio |
| Deer Path Elem School | Larger | No free-lunch data | Lower S:T ratio |
| Three Oaks School | Larger | No free-lunch data | Lower S:T ratio |
| Briargate Elem School | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Oak Knoll Early Childhood Center's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 761
- Students per teacher
- 13.6:1
- Resource Index
- 52/100
- Enrollment
- 452
- Students per teacher
- 13.3:1
- Resource Index
- 52/100
- Enrollment
- 443
- Students per teacher
- 10.8:1
- Resource Index
- 53/100
- Enrollment
- 400
- Students per teacher
- 15.4:1
- Resource Index
- 56/100
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.
Similar enrollment (~316 students)
Similar student-teacher ratio (~16.6:1)
Next steps
Verify locally before acting on Oak Knoll Early Childhood Center's federal record.
- Compare Oak Knoll Early Childhood Center against another school. Compare schools
- Cary Ccsd 26'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 Oak Knoll Early Childhood Center
How many students attend Oak Knoll Early Childhood Center?
Oak Knoll Early Childhood Center has 316 students enrolled. It is a public school in Cary, IL.
What is the student-teacher ratio at Oak Knoll Early Childhood Center?
The student-teacher ratio at Oak Knoll Early Childhood Center 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.
What is the racial and ethnic makeup of Oak Knoll Early Childhood Center?
The largest demographic group at Oak Knoll Early Childhood Center is White at 74.7% of enrollment, in Cary, IL.
What is the Resource Investment Index for Oak Knoll Early Childhood Center?
Oak Knoll Early Childhood Center has a Resource Investment Index of 38/100 (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 Oak Knoll Early Childhood Center rank among public schools in Cary?
By Resource Investment Index, Oak Knoll Early Childhood Center ranks #6 of 6 public schools in Cary, 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 Cary on the city page.
Is Oak Knoll Early Childhood Center a good school?
Oak Knoll Early Childhood Center earns 38/100 on the Resource Investment Index, with class sizes larger than 84% 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 Cary Ccsd 26?
Besides Oak Knoll Early Childhood Center, Cary Ccsd 26 also operates Cary Jr High School (761 students), Deer Path Elem School (452 students), and Three Oaks School (443 students). See the Cary Ccsd 26 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.