Enrollment
2,021
Illinois · 2024-25 NCES data
High school (grades 9-12) · Buffalo Grove, IL
Federal NCES profile for Buffalo Grove High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
The verdict
Buffalo Grove High School earns 57/100 on the Resource Investment Index, with class sizes larger than 90% of Illinois schools. It is also one of the largest schools in Illinois.
Buffalo Grove High School has class sizes larger than 90% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Buffalo Grove High School ranks #9 of 12 public schools in Buffalo Grove, IL.
NCES ID 170417000110 Verify on NCES CCD record →
Enrollment
2,021
Illinois · 2024-25 NCES data
Teachers (FTE)
111.0
Federal CCD staff survey
Students per teacher
17.6:1
vs 14:1 Illinois avg
+26% vs state
How Buffalo Grove High School compares with Illinois and U.S. medians
Larger classes than state median
17.6:1 - 3.6 above the Illinois state median of 14:1, indicating larger average class loads than typical schools in the state.
Buffalo Grove High School is a large high school in Buffalo Grove, Illinois, enrolling 2,021 students.
Class loads run heavy: 17.6:1 is larger than about 90% of Illinois schools and 26% above the 14:1 state mean, so each teacher carries more students than is typical.
By headcount it is one of the larger campuses in Illinois, bigger than 98% of state schools at 2,021 students.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by White (53%) and Hispanic or Latino (31%), more mixed than most schools in the state (diversity index 61/100).
On the academic-pipeline side it reports 31 Advanced Placement courses.
Counselor coverage runs a bit thin, about 253 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 25.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Township Hsd 214 spends $25,712 per pupil, 51% above the Illinois average, a better-resourced district than most.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Township Hsd 214 also operates Prospect High School (2,245 students) and John Hersey High School (2,040 students) alongside Buffalo Grove High 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
Buffalo Grove High 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 | 17.6:1 | ▲ 26% | 14:1 | 15.7:1 |
| Enrollment | 2,021 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Largest group: White at 53.4% of enrollment.
Simpson diversity index - at 60.8, Buffalo Grove High School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Township Hsd 214, which includes Buffalo Grove High 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 |
|---|---|---|---|
| Prospect High School | Similar size | No free-lunch data | Similar S:T ratio |
| John Hersey High School | Similar size | No free-lunch data | Similar S:T ratio |
| Rolling Meadows High School | Similar size | No free-lunch data | Similar S:T ratio |
| Elk Grove High School | Similar size | No free-lunch data | Similar S:T ratio |
| Wheeling High School | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Buffalo Grove High School's own figures; each column derives from NCES Common Core of Data.
Next steps
Verify locally before acting on Buffalo Grove High 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.
Buffalo Grove High School has 2,021 students enrolled. It is a high school in Buffalo Grove, IL.
The student-teacher ratio at Buffalo Grove High School is 17.6:1, which is 26% higher than the Illinois average of 14:1 and 12% higher than the national average of 15.7:1.
The largest demographic group at Buffalo Grove High School is White at 53.4% of enrollment, in Buffalo Grove, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.8/100.
Buffalo Grove High School has a Resource Investment Index of 57/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Buffalo Grove High School ranks #9 of 12 public 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 public schools in Buffalo Grove on the city page.
Buffalo Grove High School earns 57/100 on the Resource Investment Index, with class sizes larger than 90% of Illinois schools. It is also one of the largest schools in Illinois. 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 Buffalo Grove High School, Township Hsd 214 also operates Prospect High School (2,245 students), John Hersey High School (2,040 students), and Rolling Meadows High School (1,956 students). See the Township Hsd 214 district page for the complete list.