- Enrollment
- 640
- Students per teacher
- 14.5:1
- Resource Index
- 46/100
High school (grades 9-12) · Chester, IL
Chester High School
Federal NCES profile for Chester High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 170981000579
👥 S:T ratio 44
🌟 Gifted program 30
🎓 Counselors 33
📋 Attendance 31
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Chester High School earns 35/100 on the Resource Investment Index, with class sizes near the Illinois median.
- 35
- Resource Index · Typical
- 14:1
- students per teacher
- 335
- students enrolled
Chester High School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
School address
District: Chester Cusd 139 · Illinois
NCES ID 170981000579 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+8 students YoY
Chester High School held near 331 students from 2022-23 to 2023-24 (+8 headcount).
Teacher FTE lost 24.1 → 22.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+8 students YoY 170981000579 · Chester, IL High · SMALL · TRAD
335 enr · 14:1 · RII 35
Nearest enrollment peer: Chester Elem School (640 students)
Chester High School held near 331 students from 2022-23 to 2023-24 (+8 headcount). Teacher FTE lost 24.1 → 22.6 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
How Chester High School compares
Chester High School held steady on CCD headcount: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14:1 | ▼ 0% | 14:1 | 15.7:1 |
| Enrollment | 335 | top 57% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14:1
Leaner classes than 57% of US schools, a middle-of-the-pack class size.
335
Bigger than 37% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
14:1
students per teacher
- 0% above state mean
Top 56% in Illinois - lower ratio than 44% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
27.5%
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
$14,256
per pupil, district-wide
- below Illinois avg of $18,196
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 335 students, the combined health-and-guidance staffing load for this school.
Discipline context
80
in-school suspensions + 19 out-of-school
Suspension rate: 23.9 per 100 students. Combined in-school and out-of-school rate: 29.6 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 87.8%
Hispanic or Latino 9.0%
Two or More 1.8%
African American 1.2%
Asian 0.3%
Largest group: White at 87.8% of enrollment.
Student-body diversity index 22.1/100
Simpson diversity index - at 22.1, Chester High School is less mixed than the Illinois school average of 38.9.
Programs
AP courses offered 1
District finance for Chester Cusd 139 reports $14,256 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Chester High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Chester Elem School | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Chester High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
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 (~335 students)
Frequently asked questions about Chester High School
How many students attend Chester High School?
Chester High School has 335 students enrolled. It is a high school in Chester, IL. CCD year-over-year: 323 (2022-23) → 331 (2023-24), nearly flat (+8).
What is the student-teacher ratio at Chester High School?
The student-teacher ratio at Chester High School is 14:1, which is 0% higher than the Illinois average of 14:1 and 11% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Chester High School?
The largest demographic group at Chester High School is White at 87.8% of enrollment, in Chester, IL.
What is the Resource Investment Index for Chester High School?
Chester High School has a Resource Investment Index of 35/100 (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).
What other schools are in Chester Cusd 139?
Besides Chester High School, Chester Cusd 139 also operates Chester Elem School (640 students). See the Chester Cusd 139 district page for the complete list.