- Enrollment
- 249
- Students per teacher
- 13.8:1
- Resource Index
- 57/100
Elementary school (grades K-5) · Oak Forest, IL
Arbor Park Middle School
Federal NCES profile for Arbor Park Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataElementary school (grades K-5)NCES 170393000078
👥 S:T ratio 48
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 50
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Arbor Park Middle School earns 42/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also more racially and ethnically mixed than most Illinois schools.
- #4 of 5
- elementary schools in Oak Forest · Resource Index
- 42
- Resource Index · Typical
- 13:1
- students per teacher
- 520
- students enrolled
Arbor Park Middle School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Arbor Park Middle School ranks #4 of 5 elementary schools in Oak Forest, IL.
School address
District: Arbor Park Sd 145 · Illinois
NCES ID 170393000078 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-15 students YoY
Arbor Park Middle School held near 471 students from 2022-23 to 2023-24 (-15 headcount).
Teacher FTE added 40.9 → 43.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-15 students YoY 170393000078 · Oak Forest, IL Elementary · MID · TRAD
520 enr · 13:1 · RII 42
Nearest enrollment peer: Scarlet Oak Elementary School (249 students)
Arbor Park Middle School held near 471 students from 2022-23 to 2023-24 (-15 headcount). Teacher FTE added 40.9 → 43.8 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Arbor Park Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Arbor Park Middle School
520 students
- Scarlet Oak El
Scarlet Oak Elementary School
249 students
- Arbor Elementa
Arbor Elementary School
232 students
- Kimberly Heigh 181
Kimberly Heights Elem School
181 students
What this shows Arbor Park Middle School reports 520 students on the CCD universe file.
How Arbor Park Middle School compares
Arbor Park Middle School held steady on CCD headcount: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13:1 | ▼ 7% | 14:1 | 15.7:1 |
| Enrollment | 520 | top 28% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13:1
Leaner classes than 67% of US schools, among the more generously staffed nationally.
520
Bigger than 64% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
13:1
students per teacher
- 7% below state mean
Top 42% in Illinois - lower ratio than 58% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
20.2%
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
$18,912
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
Counselors1.0 FTE
Per 520 students, the combined health-and-guidance staffing load for this school.
Discipline context
50
in-school suspensions + 7 out-of-school
Suspension rate: 9.6 per 100 students. Combined in-school and out-of-school rate: 11.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 38.5%
Hispanic or Latino 30.2%
Asian 15.4%
African American 14.8%
Two or More 0.8%
American Indian / Alaska Native 0.4%
Largest group: White at 38.5% of enrollment.
Student-body diversity index 71.5/100
Simpson diversity index - at 71.5, Arbor Park Middle School is more mixed than the Illinois school average of 38.9.
Programs
Gifted & talented Yes
District finance for Arbor Park Sd 145 reports $18,912 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Arbor Park Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Scarlet Oak Elementary School | Smaller | No free-lunch data | Similar S:T ratio |
| Arbor Elementary School | Smaller | No free-lunch data | Similar S:T ratio |
| Kimberly Heights Elem School | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Arbor Park Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 232
- Students per teacher
- 12.9:1
- Resource Index
- 56/100
- Enrollment
- 181
- Students per teacher
- 16.5:1
- Resource Index
- 39/100
Similar elementary schools in Oak Forest
4 comparable elementary schools (grades K-5) serving the same city.
Kerkstra Elem School
Standard public school
407 students 14:1 students per teacher
Lee R Foster Elem School
Standard public school
397 students 15.3:1 students per teacher
Scarlet Oak Elementary School
Standard public school
249 students 13.8:1 students per teacher
Arbor Elementary School
Standard public school
232 students 12.9:1 students per teacher
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 (~520 students)
Frequently asked questions about Arbor Park Middle School
How many students attend Arbor Park Middle School?
Arbor Park Middle School has 520 students enrolled. It is an elementary school in Oak Forest, IL. CCD year-over-year: 486 (2022-23) → 471 (2023-24), nearly flat (-15).
What is the student-teacher ratio at Arbor Park Middle School?
The student-teacher ratio at Arbor Park Middle School is 13:1, which is 7% lower than the Illinois average of 14:1 and 17% 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 Arbor Park Middle School?
The largest demographic group at Arbor Park Middle School is White at 38.5% of enrollment, in Oak Forest, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.5/100.
What is the Resource Investment Index for Arbor Park Middle School?
Arbor Park Middle School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Arbor Park Middle School rank among elementary schools in Oak Forest?
By Resource Investment Index, Arbor Park Middle School ranks #4 of 5 elementary schools in Oak Forest, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Oak Forest on the city page.
What other schools are in Arbor Park Sd 145?
Besides Arbor Park Middle School, Arbor Park Sd 145 also operates Scarlet Oak Elementary School (249 students), Arbor Elementary School (232 students), and Kimberly Heights Elem School (181 students). See the Arbor Park Sd 145 district page for the complete list.