- Enrollment
- 2,245
- Students per teacher
- 18.4:1
- Resource Index
- 53/100
High school (grades 9-12) · Buffalo Grove, IL
Buffalo Grove High School
Federal NCES profile for Buffalo Grove High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 170417000110
👥 S:T ratio 27
🌟 Gifted program 70
🎓 Counselors 49
📋 Attendance 36
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Buffalo Grove High School earns 46/100 on the Resource Investment Index, with class sizes larger than 92% of Illinois schools. It is also one of the largest schools in Illinois.
- #9 of 12
- public schools in Buffalo Grove · Resource Index
- 46
- Resource Index · Typical
- 18.2:1
- large classes for Illinois
- 2,021
- students enrolled
Buffalo Grove High School has class sizes larger than 92% 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.
School address
District: Township Hsd 214 · Illinois
NCES ID 170417000110 Verify on NCES CCD record →
NCES CCD universe card
School universe 170417000110 · Buffalo Grove, IL High · LARGE · TRAD
2,021 enr · 18.2:1 · RII 46
Nearest enrollment peer: Prospect High School (2,245 students)
Resource Investment Index #9 of 12 public schools in Buffalo Grove. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →
Buffalo Grove High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Prospect High
Prospect High School
2,245 students
- John Hersey Hi
John Hersey High School
2,040 students
- This school
Buffalo Grove High School
2,021 students
- Rolling Meadow
Rolling Meadows High School
1,956 students
- Elk Grove High
Elk Grove High School
1,906 students
- Wheeling High
Wheeling High School
1,743 students
What this shows Buffalo Grove High School reports 2,021 students on the CCD universe file.
How Buffalo Grove High School compares
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 | 18.2:1 | ▲ 30% | 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
18.2:1
Leaner classes than 23% of US schools, heavier class loads than most.
2,021
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
18.2:1
students per teacher
- 30% above state mean
Top 92% in Illinois - lower ratio than 8% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
25.7%
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
$26,345
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
Counselors8.0 FTE
Per 253 students, the combined health-and-guidance staffing load for this school.
Discipline context
28
in-school suspensions + 42 out-of-school
Suspension rate: 1.4 per 100 students. Combined in-school and out-of-school rate: 3.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
White 53.4%
Hispanic or Latino 30.8%
Asian 10.3%
Two or More 3.4%
African American 2.0%
Largest group: White at 53.4% of enrollment.
Student-body diversity index 60.8/100
Simpson diversity index - at 60.8, Buffalo Grove High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 31
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Township Hsd 214, which includes Buffalo Grove High School.
$26,345
Per student
+45%
vs Illinois
Avg $18,196
+49%
vs U.S.
Avg $17,658
Revenue mix
Local 74.8%
State 21.3%
Federal 3.9%
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 Buffalo Grove High School Compares to District-Mates
| 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 | Lower S:T ratio |
| Elk Grove High School | Similar size | No free-lunch data | Lower 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.
Other Schools in This District
- Enrollment
- 2,040
- Students per teacher
- 19.1:1
- Resource Index
- 51/100
- Enrollment
- 1,956
- Students per teacher
- 16.6:1
- Resource Index
- 43/100
- Enrollment
- 1,906
- Students per teacher
- 16.3:1
- Resource Index
- 45/100
- Enrollment
- 1,743
- Students per teacher
- 15.8:1
- Resource Index
- 44/100
Nationwide high 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 (~2,021 students)
Similar student-teacher ratio (~18.2:1)
Frequently asked questions about Buffalo Grove High School
How many students attend Buffalo Grove High School?
Buffalo Grove High School has 2,021 students enrolled. It is a high school in Buffalo Grove, IL.
What is the student-teacher ratio at Buffalo Grove High School?
The student-teacher ratio at Buffalo Grove High School is 18.2:1, which is 30% higher than the Illinois average of 14:1 and 16% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Buffalo Grove High School?
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.
What is the Resource Investment Index for Buffalo Grove High School?
Buffalo Grove High School has a Resource Investment Index of 46/100 (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 Buffalo Grove High School rank among public schools in Buffalo Grove?
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.
What other schools are in Township Hsd 214?
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.
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.