Enrollment
275
Illinois · 2024-25 NCES data
High school (grades 9-12) · Gibson City, IL
Gcms High School
Federal NCES profile for Gcms High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 170004100254
👥 S:T ratio 52
📚 AP courses 30
🌟 Gifted program 30
🎓 Counselors 45
📋 Attendance 61
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Gcms High School earns 44/100 on the Resource Investment Index, with class sizes smaller than 71% of Illinois schools.
- #3 of 3
- public schools in Gibson City · Resource Index
- 44
- Resource Index · Typical
- 12:1
- small classes for Illinois
- 275
- students enrolled
Gcms High School has class sizes smaller than 71% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Gcms High School ranks #3 of 3 public schools in Gibson City, IL.
School address
District: Gibson City-Melvin-Sibley Cusd 5 · Illinois
NCES ID 170004100254 Verify on NCES CCD record →
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
12:1
vs 14:1 Illinois avg
-14% vs state
Student-teacher ratio in context
How Gcms High School compares with Illinois and U.S. medians
What stands out at Gcms High School
Gcms High School is a mid-sized high school in Gibson City, Illinois, enrolling 275 students.
Class sizes run a bit leaner than typical: 12:1 puts it in the smaller third of Illinois schools by student-teacher ratio.
Enrollment of 275 puts it in the smaller third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is predominantly White (90% of enrollment) (diversity index 19/100).
On the academic-pipeline side it reports 6 Advanced Placement courses.
Counselor coverage runs a bit thin, about 275 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
15.6% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Gibson City-Melvin-Sibley Cusd 5 also operates Gcms Elementary School (489 students) and Gcms Middle School (211 students) alongside Gcms 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 Gcms High School compares
Gcms 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 | 12:1 | ▼ 14% | 14:1 | 15.7:1 |
| Enrollment | 275 | top 69% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12:1
Leaner classes than 75% of US schools, among the more generously staffed nationally.
275
Bigger than 29% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
12:1
students per teacher
- 14% below state mean
Top 29% in Illinois - lower ratio than 71% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
15.6%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$15,934
per pupil, district-wide
- below Illinois avg of $17,042
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 275 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 15 out-of-school
Suspension rate: 0.7 per 100 students. Combined in-school and out-of-school rate: 6.2 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 89.8%
Hispanic or Latino 4.0%
Two or More 2.9%
Asian 1.8%
African American 1.5%
Largest group: White at 89.8% of enrollment.
Student-body diversity index 19.1/100
Simpson diversity index - at 19.1, Gcms High School is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 6
Funding & spending
District-wide per-pupil expenditure for Gibson City-Melvin-Sibley Cusd 5, which includes Gcms High School.
$15,934
Per student
-7%
vs Illinois
Avg $17,042
-4%
vs U.S.
Avg $16,593
Revenue mix
Local 58.4%
State 34.3%
Federal 7.3%
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 Gcms High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Gcms Elementary School | Larger | No free-lunch data | Similar S:T ratio |
| Gcms Middle School | Similar size | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Gcms High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 489
- Students per teacher
- 11.6:1
- Resource Index
- 50/100
- Enrollment
- 211
- Students per teacher
- 10:1
- Resource Index
- 52/100
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 (~275 students)
Similar student-teacher ratio (~12:1)
Next steps
Verify locally before acting on Gcms High School's federal record.
- Compare Gcms High School against another school. Compare schools
- Gibson City-Melvin-Sibley Cusd 5'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 Gcms High School
How many students attend Gcms High School?
Gcms High School has 275 students enrolled. It is a high school in Gibson City, IL.
What is the student-teacher ratio at Gcms High School?
The student-teacher ratio at Gcms High School is 12:1, which is 14% lower than the Illinois average of 14:1 and 24% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Gcms High School?
The largest demographic group at Gcms High School is White at 89.8% of enrollment, in Gibson City, IL.
What is the Resource Investment Index for Gcms High School?
Gcms High School has a Resource Investment Index of 44/100 (typical 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 Gcms High School rank among public schools in Gibson City?
By Resource Investment Index, Gcms High School ranks #3 of 3 public schools in Gibson City, 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 Gibson City on the city page.
Is Gcms High School a good school?
Gcms High School earns 44/100 on the Resource Investment Index, with class sizes smaller than 71% of Illinois schools. 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 Gibson City-Melvin-Sibley Cusd 5?
Besides Gcms High School, Gibson City-Melvin-Sibley Cusd 5 also operates Gcms Elementary School (489 students) and Gcms Middle School (211 students). See the Gibson City-Melvin-Sibley Cusd 5 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.