Enrollment
732
Illinois · 2024-25 NCES data
Middle school (grades 6-8) · Buffalo Grove, IL
Federal NCES profile for Cooper Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.
The verdict
Cooper Middle School earns 58/100 on the Resource Investment Index, with class sizes near the Illinois median.
Cooper Middle School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Cooper Middle School ranks #2 of 3 middle schools in Buffalo Grove, IL.
NCES ID 174221004230 Verify on NCES CCD record →
Enrollment
732
Illinois · 2024-25 NCES data
Teachers (FTE)
49.0
Federal CCD staff survey
Students per teacher
13.8:1
vs 14:1 Illinois avg
-1% vs state
How Cooper Middle School compares with Illinois and U.S. medians
At or below state median
13.8:1 - 0.2 below the Illinois state median of 14:1, indicating smaller average class loads than typical schools in the state.
Cooper Middle School is a large middle school in Buffalo Grove, Illinois, enrolling 732 students.
At 13.8:1, its student-teacher ratio sits close to the Illinois median, within a few percentage points of the 14:1 state norm, neither notably crowded nor notably small.
Enrollment of 732 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index outscores 92% of the 3,845 Illinois schools with a score on record, a top-tier result on this measure.
Its student body is led by White (60%) and Hispanic or Latino (24%) (diversity index 57/100).
Counselor coverage is strong, about 244 students per counselor, inside the American School Counselor Association's recommended 250:1.
13.1% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Wheeling Ccsd 21 spends $23,863 per pupil, 40% above the Illinois average, a better-resourced district than most.
Among Buffalo Grove's middle schools, it stands alongside Aptakisic Junior High School (940 students): Cooper Middle School is smaller than that campus by headcount and runs leaner classes (13.8:1 vs 13.8:1).
Wheeling Ccsd 21 also operates Jack London Middle School (628 students) and Oliver W Holmes Middle School (615 students) alongside Cooper 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
Cooper 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 | 13.8:1 | ▼ 1% | 14:1 | 15.7:1 |
| Enrollment | 732 | top 13% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Largest group: White at 60.1% of enrollment.
Simpson diversity index - at 57.0, Cooper Middle School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Wheeling Ccsd 21, which includes Cooper Middle School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Jack London Middle School | Similar size | No free-lunch data | Lower S:T ratio |
| Oliver W Holmes Middle School | Similar size | No free-lunch data | Similar S:T ratio |
| Eugene Field Elem School | Similar size | No free-lunch data | Higher S:T ratio |
| Joyce Kilmer Elem School | Similar size | No free-lunch data | Similar S:T ratio |
| Booth Tarkington Elem School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Cooper Middle School's own figures; each column derives from NCES Common Core of Data.
2 comparable middle schools (grades 6-8) serving the same city.
Next steps
Verify locally before acting on Cooper Middle School'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.
Cooper Middle School has 732 students enrolled. It is a middle school in Buffalo Grove, IL.
The student-teacher ratio at Cooper Middle School is 13.8:1, which is 1% lower than the Illinois average of 14:1 and 12% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Cooper Middle School is White at 60.1% of enrollment, in Buffalo Grove, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.0/100.
Cooper Middle School has a Resource Investment Index of 58/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Cooper Middle School ranks #2 of 3 middle schools in Buffalo Grove, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Buffalo Grove on the city page.
Cooper Middle School earns 58/100 on the Resource Investment Index, with class sizes near the Illinois median. 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.
Besides Cooper Middle School, Wheeling Ccsd 21 also operates Jack London Middle School (628 students), Oliver W Holmes Middle School (615 students), and Eugene Field Elem School (613 students). See the Wheeling Ccsd 21 district page for the complete list.