- Enrollment
- 185
- Students per teacher
- 12.3:1
- Resource Index
- 37/100
Other / mixed grade configuration · Ullin, IL
Century Jr/Sr High School
Federal NCES profile for Century Jr/Sr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataOther / mixed grade configurationNCES 173963004003
👥 S:T ratio 61
🌟 Gifted program 30
🎓 Counselors 71
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Century Jr/Sr High School earns 41/100 on the Resource Investment Index, with class sizes smaller than 92% of Illinois schools.
- 41
- Resource Index · Typical
- 9.7:1
- small classes for Illinois
- 146
- students enrolled
Century Jr/Sr High School has class sizes smaller than 92% of Illinois schools. Computed live against every Illinois school reporting to NCES.
School address
District: Century Cusd 100 · Illinois
NCES ID 173963004003 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-14 students YoY
Century Jr/Sr High School shrank from 168 students in 2022-23 to 154 in 2023-24 (-8.3%).
Teacher FTE added 15.0 → 15.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-14 students YoY 173963004003 · Ullin, IL Other · SMALL · TRAD
146 enr · 9.7:1 · RII 41
Nearest enrollment peer: Century Elementary School (185 students)
Century Jr/Sr High School shrank from 168 students in 2022-23 to 154 in 2023-24 (-8.3%). Teacher FTE added 15.0 → 15.8 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
How Century Jr/Sr High School compares
Century Jr/Sr 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 | 9.7:1 | ▼ 31% | 14:1 | 15.7:1 |
| Enrollment | 146 | top 90% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.7:1
Leaner classes than 90% of US schools, among the more generously staffed nationally.
146
Bigger than 14% of US schools by enrollment, a small campus.
Equity indicators methodology
Staffing depth
9.7:1
students per teacher
- 31% below state mean
Top 8% in Illinois - lower ratio than 92% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
44.5%
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
$15,549
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 146 students, the combined health-and-guidance staffing load for this school.
Discipline context
14
in-school suspensions + 1 out-of-school
Suspension rate: 9.6 per 100 students. Combined in-school and out-of-school rate: 10.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 85.6%
African American 6.8%
Two or More 6.2%
Hispanic or Latino 1.4%
Largest group: White at 85.6% of enrollment.
Student-body diversity index 25.9/100
Simpson diversity index - at 25.9, Century Jr/Sr High School is less mixed than the Illinois school average of 38.9.
Programs
District finance for Century Cusd 100 reports $15,549 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Century Jr/Sr High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Century Elementary School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Century Jr/Sr High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Similar other schools in Ullin
1 comparable other schools (grades Mixed) serving the same city.
Nationwide other 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 (~146 students)
Similar student-teacher ratio (~9.7:1)
Frequently asked questions about Century Jr/Sr High School
How many students attend Century Jr/Sr High School?
Century Jr/Sr High School has 146 students enrolled. It is a public school in Ullin, IL. CCD year-over-year: 168 (2022-23) → 154 (2023-24), down 14.
What is the student-teacher ratio at Century Jr/Sr High School?
The student-teacher ratio at Century Jr/Sr High School is 9.7:1, which is 31% lower than the Illinois average of 14:1 and 38% 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 Century Jr/Sr High School?
The largest demographic group at Century Jr/Sr High School is White at 85.6% of enrollment, in Ullin, IL.
What is the Resource Investment Index for Century Jr/Sr High School?
Century Jr/Sr High School has a Resource Investment Index of 41/100 (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 Century Cusd 100?
Besides Century Jr/Sr High School, Century Cusd 100 also operates Century Elementary School (185 students). See the Century Cusd 100 district page for the complete list.