Enrollment
448
Illinois · 2024-25 NCES data
Middle school (grades 6-8) · Clarendon Hills, IL
Clarendon Hills Middle School
Federal NCES profile for Clarendon Hills Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 171929004036
👥 S:T ratio 61
🌟 Gifted program 30
📋 Attendance 68
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Clarendon Hills Middle School earns 53/100 on the Resource Investment Index, with class sizes smaller than 92% of Illinois schools.
- #3 of 4
- public schools in Clarendon Hills · Resource Index
- 53
- Resource Index · Higher
- 9.7:1
- small classes for Illinois
- 448
- students enrolled
Clarendon Hills Middle School has class sizes smaller than 92% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Clarendon Hills Middle School ranks #3 of 4 public schools in Clarendon Hills, IL.
School address
District: Hinsdale Ccsd 181 · Illinois
NCES ID 171929004036 Verify on NCES CCD record →
Teachers (FTE)
46.0
Federal CCD staff survey
Students per teacher
9.7:1
vs 14:1 Illinois avg
-31% vs state
Student-teacher ratio in context
How Clarendon Hills Middle School compares with Illinois and U.S. medians
What stands out at Clarendon Hills Middle School
Clarendon Hills Middle School is a mid-sized middle school in Clarendon Hills, Illinois, enrolling 448 students.
Classes run notably small here: at 9.7:1, Clarendon Hills Middle School is leaner than roughly 92% of Illinois schools and 31% under the state's 14:1 norm, more adult attention per pupil than most peers.
With 448 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (71%) and Asian (14%) (diversity index 46/100).
12.9% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Hinsdale Ccsd 181 spends $22,486 per pupil, 32% above the Illinois average, a better-resourced district than most.
Hinsdale Ccsd 181 also operates Hinsdale Middle School (755 students) and Oak Elem School (446 students) alongside Clarendon Hills Middle 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 Clarendon Hills Middle School compares
Clarendon Hills Middle 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 | 9.7:1 | ▼ 31% | 14:1 | 15.7:1 |
| Enrollment | 448 | top 38% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.7:1
Leaner classes than 90% of US schools, among the more generously staffed nationally.
448
Bigger than 55% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
9.7:1
students per teacher
- 31% below state mean
Top 8% in Illinois - lower ratio than 92% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
12.9%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$22,486
per pupil, district-wide
- above Illinois avg of $17,042
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
5
in-school suspensions + 0 out-of-school
Suspension rate: 1.1 per 100 students. Combined in-school and out-of-school rate: 1.1 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 71.2%
Asian 13.8%
Two or More 8.0%
Hispanic or Latino 5.8%
African American 0.4%
Native Hawaiian / Pacific Islander 0.4%
American Indian / Alaska Native 0.2%
Largest group: White at 71.2% of enrollment.
Student-body diversity index 46.4/100
Simpson diversity index - at 46.4, Clarendon Hills Middle School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Hinsdale Ccsd 181, which includes Clarendon Hills Middle School.
$22,486
Per student
+32%
vs Illinois
Avg $17,042
+36%
vs U.S.
Avg $16,593
Revenue mix
Local 74.6%
State 22.6%
Federal 2.8%
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 Clarendon Hills Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hinsdale Middle School | Larger | No free-lunch data | Higher S:T ratio |
| Oak Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Madison Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| The Lane Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Monroe Elem School | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Clarendon Hills Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 755
- Students per teacher
- 12.2:1
- Resource Index
- 50/100
- Enrollment
- 446
- Students per teacher
- 16.5:1
- Resource Index
- 51/100
- Enrollment
- 367
- Students per teacher
- 11.8:1
- Resource Index
- 56/100
- Enrollment
- 345
- Students per teacher
- 13.8:1
- Resource Index
- 56/100
- Enrollment
- 325
- Students per teacher
- 14.1:1
- Resource Index
- 54/100
Similar middle 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 (~448 students)
Similar student-teacher ratio (~9.7:1)
Next steps
Verify locally before acting on Clarendon Hills Middle School's federal record.
- Compare Clarendon Hills Middle School against another school. Compare schools
- Hinsdale Ccsd 181'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 Clarendon Hills Middle School
How many students attend Clarendon Hills Middle School?
Clarendon Hills Middle School has 448 students enrolled. It is a middle school in Clarendon Hills, IL.
What is the student-teacher ratio at Clarendon Hills Middle School?
The student-teacher ratio at Clarendon Hills Middle School is 9.7:1, which is 31% lower than the Illinois average of 14:1 and 38% 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 Clarendon Hills Middle School?
The largest demographic group at Clarendon Hills Middle School is White at 71.2% of enrollment, in Clarendon Hills, IL.
What is the Resource Investment Index for Clarendon Hills Middle School?
Clarendon Hills Middle School has a Resource Investment Index of 53/100 (higher 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 Clarendon Hills Middle School rank among public schools in Clarendon Hills?
By Resource Investment Index, Clarendon Hills Middle School ranks #3 of 4 public schools in Clarendon Hills, 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 Clarendon Hills on the city page.
Is Clarendon Hills Middle School a good school?
Clarendon Hills Middle School earns 53/100 on the Resource Investment Index, with class sizes smaller than 92% 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 Hinsdale Ccsd 181?
Besides Clarendon Hills Middle School, Hinsdale Ccsd 181 also operates Hinsdale Middle School (755 students), Oak Elem School (446 students), and Madison Elem School (367 students). See the Hinsdale Ccsd 181 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.