- Enrollment
- 653
- Students per teacher
- 12.6:1
- Resource Index
- 47/100
Elementary school (grades K-5) · Mokena, IL
Arbury Hills Elem School
Federal NCES profile for Arbury Hills Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataElementary school (grades K-5)NCES 173822003910
👥 S:T ratio 59
🌟 Gifted program 30
📋 Attendance 54
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Arbury Hills Elem School earns 48/100 on the Resource Investment Index, with class sizes smaller than 88% of Illinois schools.
- #3 of 4
- public schools in Mokena · Resource Index
- 48
- Resource Index · Typical
- 10.3:1
- small classes for Illinois
- 164
- students enrolled
Arbury Hills Elem School has class sizes smaller than 88% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Arbury Hills Elem School ranks #3 of 4 public schools in Mokena, IL.
School address
District: Summit Hill Sd 161 · Illinois
NCES ID 173822003910 Verify on NCES CCD record →
NCES CCD universe card
School universe 173822003910 · Mokena, IL Elementary · SMALL · TRAD
164 enr · 10.3:1 · RII 48
Nearest enrollment peer: Dr Julian Rogus School (653 students)
Resource Investment Index #3 of 4 public schools in Mokena. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Arbury Hills Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Dr Julian Rogu
Dr Julian Rogus School
653 students
- Summit Hill Ju
Summit Hill Junior High School
566 students
- Walker Interme
Walker Intermediate School
554 students
- Indian Trail E
Indian Trail Elem School
466 students
- Frankfort Squa 175
Frankfort Square Elem School
175 students
- This school 164
Arbury Hills Elem School
164 students
What this shows Arbury Hills Elem School reports 164 students on the CCD universe file.
How Arbury Hills Elem School compares
Arbury Hills Elem 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 | 10.3:1 | ▼ 26% | 14:1 | 15.7:1 |
| Enrollment | 164 | top 87% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.3:1
Leaner classes than 87% of US schools, among the more generously staffed nationally.
164
Bigger than 16% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
10.3:1
students per teacher
- 26% below state mean
Top 12% in Illinois - lower ratio than 88% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
18.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$19,549
per pupil, district-wide
- above Illinois avg of $18,196
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.
Programs
Funding & spending
District-wide per-pupil expenditure for Summit Hill Sd 161, which includes Arbury Hills Elem School.
$19,549
Per student
+7%
vs Illinois
Avg $18,196
+11%
vs U.S.
Avg $17,658
Revenue mix
Local 69.8%
State 26.0%
Federal 4.1%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Arbury Hills Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Dr Julian Rogus School | Larger | No free-lunch data | Higher S:T ratio |
| Summit Hill Junior High School | Larger | No free-lunch data | Similar S:T ratio |
| Walker Intermediate School | Larger | No free-lunch data | Similar S:T ratio |
| Indian Trail Elem School | Larger | No free-lunch data | Higher S:T ratio |
| Frankfort Square Elem School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Arbury Hills Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 566
- Students per teacher
- 10.5:1
- Resource Index
- 38/100
- Enrollment
- 554
- Students per teacher
- 10.9:1
- Resource Index
- 34/100
- Enrollment
- 466
- Students per teacher
- 16.6:1
- Resource Index
- 42/100
- Enrollment
- 175
- Students per teacher
- 10.9:1
- Resource Index
- 35/100
Similar elementary schools in Mokena
1 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~164 students)
Similar student-teacher ratio (~10.3:1)
Frequently asked questions about Arbury Hills Elem School
How many students attend Arbury Hills Elem School?
Arbury Hills Elem School has 164 students enrolled. It is an elementary school in Mokena, IL.
What is the student-teacher ratio at Arbury Hills Elem School?
The student-teacher ratio at Arbury Hills Elem School is 10.3:1, which is 26% lower than the Illinois average of 14:1 and 34% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the Resource Investment Index for Arbury Hills Elem School?
Arbury Hills Elem School has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Arbury Hills Elem School rank among public schools in Mokena?
By Resource Investment Index, Arbury Hills Elem School ranks #3 of 4 public schools in Mokena, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Summit Hill Sd 161?
Besides Arbury Hills Elem School, Summit Hill Sd 161 also operates Dr Julian Rogus School (653 students), Summit Hill Junior High School (566 students), and Walker Intermediate School (554 students). See the Summit Hill Sd 161 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, the data changelog, or report a data error. Data current as of August 2026.