- Enrollment
- 273
- Students per teacher
- 13:1
- Resource Index
- 54/100
High school (grades 9-12) · Buffalo, IL
Tri-City High School
Federal NCES profile for Tri-City High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 173945003991
👥 S:T ratio 49
🌟 Gifted program 30
🎓 Counselors 38
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Tri-City High School earns 29/100 on the Resource Investment Index, with class sizes near the Illinois median.
- #3 of 3
- public schools in Buffalo · Resource Index
- 29
- Resource Index · Lower
- 12.8:1
- students per teacher
- 154
- students enrolled
Tri-City High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Tri-City High School ranks #3 of 3 public schools in Buffalo, IL.
School address
District: Tri City Cusd 1 · Illinois
NCES ID 173945003991 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-17 students YoY
Tri-City High School shrank from 170 students in 2022-23 to 153 in 2023-24 (-10.0%).
Teacher FTE added 12.0 → 12.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-17 students YoY 173945003991 · Buffalo, IL High · SMALL · TRAD
154 enr · 12.8:1 · RII 29
Nearest enrollment peer: Tri-City Elem School (273 students)
Tri-City High School shrank from 170 students in 2022-23 to 153 in 2023-24 (-10.0%). Teacher FTE added 12.0 → 12.5 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Tri-City High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Tri-City Elem
Tri-City Elem School
273 students
- This school
Tri-City High School
154 students
- Tri-City Jr Hi
Tri-City Jr High School
137 students
What this shows Tri-City High School reports 154 students on the CCD universe file.
How Tri-City High School compares
Tri-City High School is a shrinking campus on CCD: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.8:1 | ▼ 9% | 14:1 | 15.7:1 |
| Enrollment | 154 | top 89% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.8:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
154
Bigger than 15% of US schools by enrollment, a small campus.
Equity indicators methodology
Staffing depth
12.8:1
students per teacher
- 9% below state mean
Top 39% in Illinois - lower ratio than 61% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
42.2%
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
$13,289
per pupil, district-wide
- below Illinois avg of $18,196
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 14 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 9.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 89.6%
Two or More 5.2%
Hispanic or Latino 3.2%
African American 1.3%
Asian 0.6%
Largest group: White at 89.6% of enrollment.
Student-body diversity index 19.3/100
Simpson diversity index - at 19.3, Tri-City High School is less mixed than the Illinois school average of 38.9.
Programs
AP program Not offered
District finance for Tri City Cusd 1 reports $13,289 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Tri-City High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Tri-City Elem School | Larger | No free-lunch data | Similar S:T ratio |
| Tri-City Jr High School | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Tri-City High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 137
- Students per teacher
- 15.2:1
- Resource Index
- 33/100
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 (~154 students)
Frequently asked questions about Tri-City High School
How many students attend Tri-City High School?
Tri-City High School has 154 students enrolled. It is a high school in Buffalo, IL. CCD year-over-year: 170 (2022-23) → 153 (2023-24), down 17.
What is the student-teacher ratio at Tri-City High School?
The student-teacher ratio at Tri-City High School is 12.8:1, which is 9% lower than the Illinois average of 14:1 and 18% 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 Tri-City High School?
The largest demographic group at Tri-City High School is White at 89.6% of enrollment, in Buffalo, IL.
What is the Resource Investment Index for Tri-City High School?
Tri-City High School has a Resource Investment Index of 29/100 (lower 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 Tri-City High School rank among public schools in Buffalo?
By Resource Investment Index, Tri-City High School ranks #3 of 3 public schools in Buffalo, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Tri City Cusd 1?
Besides Tri-City High School, Tri City Cusd 1 also operates Tri-City Elem School (273 students) and Tri-City Jr High School (137 students). See the Tri City Cusd 1 district page for the complete list.