Enrollment
1,348
Illinois · 2024-25 NCES data
High school (grades 9-12) · Cary, IL
Cary-Grove Community High School
Federal NCES profile for Cary-Grove Community High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 171137001366
👥 S:T ratio 35
📚 AP courses 95
🌟 Gifted program 30
🎓 Counselors 46
📋 Attendance 54
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cary-Grove Community High School earns 52/100 on the Resource Investment Index, with class sizes larger than 81% of Illinois schools. It is also one of the largest schools in Illinois.
- #5 of 6
- public schools in Cary · Resource Index
- 52
- Resource Index · Higher
- 16.2:1
- large classes for Illinois
- 1,348
- students enrolled
Cary-Grove Community High School has class sizes larger than 81% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Cary-Grove Community High School ranks #5 of 6 public schools in Cary, IL.
School address
Teachers (FTE)
83.0
Federal CCD staff survey
Students per teacher
16.2:1
vs 14:1 Illinois avg
+16% vs state
Student-teacher ratio in context
How Cary-Grove Community High School compares with Illinois and U.S. medians
What stands out at Cary-Grove Community High School
Cary-Grove Community High School is a large high school in Cary, Illinois, enrolling 1,348 students.
Class loads run somewhat heavier than typical: 16.2:1 puts it in the larger third of Illinois schools by student-teacher ratio.
By headcount it is one of the larger campuses in Illinois, bigger than 96% of state schools at 1,348 students.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by White (73%) and Hispanic or Latino (20%) (diversity index 43/100).
On the academic-pipeline side it reports 19 Advanced Placement courses.
Counselor coverage runs a bit thin, about 270 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 18.4% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Chsd 155 spends $22,088 per pupil, 30% above the Illinois average, a better-resourced district than most.
Chsd 155 also operates Crystal Lake Central High School (1,443 students) and Crystal Lake South High School (1,279 students) alongside Cary-Grove Community 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
How Cary-Grove Community High School compares
Cary-Grove Community 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 | 16.2:1 | ▲ 16% | 14:1 | 15.7:1 |
| Enrollment | 1,348 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.2:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
1,348
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
16.2:1
students per teacher
- 16% above state mean
Top 81% in Illinois - lower ratio than 19% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
18.4%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$22,088
per pupil, district-wide
- above Illinois avg of $17,042
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors5.0 FTE
Per 270 students, the combined health-and-guidance staffing load for this school.
Discipline context
83
in-school suspensions + 47 out-of-school
Suspension rate: 6.2 per 100 students. Combined in-school and out-of-school rate: 9.6 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 73.0%
Hispanic or Latino 19.8%
Two or More 3.2%
Asian 1.8%
African American 1.6%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 73.0% of enrollment.
Student-body diversity index 42.6/100
Simpson diversity index - at 42.6, Cary-Grove Community High School is more mixed than the Illinois school average of 38.9.
Programs
AP courses offered 19
Funding & spending
District-wide per-pupil expenditure for Chsd 155, which includes Cary-Grove Community High School.
$22,088
Per student
+30%
vs Illinois
Avg $17,042
+33%
vs U.S.
Avg $16,593
Revenue mix
Local 62.5%
State 31.9%
Federal 5.6%
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.
How Cary-Grove Community High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Crystal Lake Central High School | Similar size | No free-lunch data | Similar S:T ratio |
| Crystal Lake South High School | Similar size | No free-lunch data | Similar S:T ratio |
| Prairie Ridge High School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Cary-Grove Community High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,443
- Students per teacher
- 16.6:1
- Resource Index
- 34/100
- Enrollment
- 1,279
- Students per teacher
- 17.5:1
- Resource Index
- 39/100
- Enrollment
- 1,133
- Students per teacher
- 16:1
- Resource Index
- 42/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,348 students)
Next steps
Verify locally before acting on Cary-Grove Community High School's federal record.
- Compare Cary-Grove Community High School against another school. Compare schools
- Chsd 155's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Cary-Grove Community High School
How many students attend Cary-Grove Community High School?
Cary-Grove Community High School has 1,348 students enrolled. It is a high school in Cary, IL.
What is the student-teacher ratio at Cary-Grove Community High School?
The student-teacher ratio at Cary-Grove Community High School is 16.2:1, which is 16% higher than the Illinois average of 14:1 and 3% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Cary-Grove Community High School?
The largest demographic group at Cary-Grove Community High School is White at 73.0% of enrollment, in Cary, IL.
What is the Resource Investment Index for Cary-Grove Community High School?
Cary-Grove Community High School has a Resource Investment Index of 52/100 (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).
How does Cary-Grove Community High School rank among public schools in Cary?
By Resource Investment Index, Cary-Grove Community High School ranks #5 of 6 public schools in Cary, 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 Cary on the city page.
Is Cary-Grove Community High School a good school?
Cary-Grove Community High School earns 52/100 on the Resource Investment Index, with class sizes larger than 81% 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.
What other schools are in Chsd 155?
Besides Cary-Grove Community High School, Chsd 155 also operates Crystal Lake Central High School (1,443 students), Crystal Lake South High School (1,279 students), and Prairie Ridge High School (1,133 students). See the Chsd 155 district page for the complete list.
Related tools
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, or report a data error. Data current as of June 2026.