- Enrollment
- 632
- Students per teacher
- 14.7:1
- Resource Index
- 35/100
Middle school (grades 6-8) · Buffalo Grove, IL
Twin Groves Middle School
Federal NCES profile for Twin Groves Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 172103005513
👥 S:T ratio 43
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 78
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Twin Groves Middle School earns 38/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #3 of 3
- middle schools in Buffalo Grove · Resource Index
- 38
- Resource Index · Typical
- 14.2:1
- students per teacher
- 625
- students enrolled
Twin Groves Middle School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Twin Groves Middle School ranks #3 of 3 middle schools in Buffalo Grove, IL.
School address
District: Kildeer Countryside Ccsd 96 · Illinois
NCES ID 172103005513 Verify on NCES CCD record →
NCES CCD universe card
School universe 172103005513 · Buffalo Grove, IL Middle · MID · TRAD
625 enr · 14.2:1 · RII 38
Nearest enrollment peer: Woodlawn Middle School (632 students)
Resource Investment Index #3 of 3 middle schools in Buffalo Grove. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Twin Groves Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Woodlawn Middl
Woodlawn Middle School
632 students
- This school
Twin Groves Middle School
625 students
- Ivy Hall Eleme
Ivy Hall Elementary School
482 students
- Prairie Elemen
Prairie Elementary School
453 students
- Country Meadow
Country Meadows Elem School
439 students
- Kildeer Countr
Kildeer Countryside Elem School
428 students
What this shows Twin Groves Middle School reports 625 students on the CCD universe file.
How Twin Groves Middle School compares
Twin Groves 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 | 14.2:1 | ▲ 1% | 14:1 | 15.7:1 |
| Enrollment | 625 | top 19% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.2:1
Leaner classes than 55% of US schools, a middle-of-the-pack class size.
625
Bigger than 75% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
14.2:1
students per teacher
- 1% above state mean
Top 60% in Illinois - lower ratio than 40% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
9.0%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$22,281
per pupil, district-wide
- above Illinois avg of $18,196
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 625 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 0 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 0.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Asian 52.6%
White 37.4%
Hispanic or Latino 5.1%
Two or More 3.0%
African American 1.6%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Asian at 52.6% of enrollment.
Student-body diversity index 58.0/100
Simpson diversity index - at 58.0, Twin Groves Middle School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Kildeer Countryside Ccsd 96, which includes Twin Groves Middle School.
$22,281
Per student
+22%
vs Illinois
Avg $18,196
+26%
vs U.S.
Avg $17,658
Revenue mix
Local 71.0%
State 24.7%
Federal 4.4%
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 Twin Groves Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Woodlawn Middle School | Similar size | No free-lunch data | Similar S:T ratio |
| Ivy Hall Elementary School | Similar size | No free-lunch data | Lower S:T ratio |
| Prairie Elementary School | Smaller | No free-lunch data | Higher S:T ratio |
| Country Meadows Elem School | Smaller | No free-lunch data | Similar S:T ratio |
| Kildeer Countryside Elem School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Twin Groves Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 482
- Students per teacher
- 12.4:1
- Resource Index
- 51/100
- Enrollment
- 453
- Students per teacher
- 16.2:1
- Resource Index
- 44/100
- Enrollment
- 439
- Students per teacher
- 13.3:1
- Resource Index
- 47/100
- Enrollment
- 428
- Students per teacher
- 14.8:1
- Resource Index
- 45/100
Similar middle schools in Buffalo Grove
2 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle 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 (~625 students)
Frequently asked questions about Twin Groves Middle School
How many students attend Twin Groves Middle School?
Twin Groves Middle School has 625 students enrolled. It is a middle school in Buffalo Grove, IL.
What is the student-teacher ratio at Twin Groves Middle School?
The student-teacher ratio at Twin Groves Middle School is 14.2:1, which is 1% higher than the Illinois average of 14:1 and 10% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Twin Groves Middle School?
The largest demographic group at Twin Groves Middle School is Asian at 52.6% of enrollment, in Buffalo Grove, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.0/100.
What is the Resource Investment Index for Twin Groves Middle School?
Twin Groves Middle School has a Resource Investment Index of 38/100 (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 Twin Groves Middle School rank among middle schools in Buffalo Grove?
By Resource Investment Index, Twin Groves Middle School ranks #3 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.
What other schools are in Kildeer Countryside Ccsd 96?
Besides Twin Groves Middle School, Kildeer Countryside Ccsd 96 also operates Woodlawn Middle School (632 students), Ivy Hall Elementary School (482 students), and Prairie Elementary School (453 students). See the Kildeer Countryside Ccsd 96 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.