Serving 146 students in grades 6-12, Century Jr/sr High School ranks in the bottom 50% of all schools in Illinois for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤5% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 10-14% (which is lower than the Illinois state average of 30%).
The student-teacher ratio of 9:1 is lower than the Illinois state level of 13:1.
Minority enrollment is 14% of the student body (majority Black), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (26-27)
- Grades: 6-12
- Enrollment: 146 students
- Student-Teacher Ratio: 9:1
- Minority Enrollment: 14%
- Graduation Rate: ≥80% (Btm 50% in IL)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 10-14% (Btm 50%)
- Science Proficiency: 20-29% (Btm 50%)
- Attendance Zone: Century Jr/Sr High School's attendance zone covers the entire district of Ullin, IL, encompassing approximately 114.3 square miles. The typical drive to the school ranges from 10 to 15 minutes, with an average distance of 6.7 miles to the nearest edge and up to 11.7 miles to the furthest point.
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Century Jr/sr High School's student population of 146 students has declined by 25% over five school years.
The teacher population of 16 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-12
Total Students
146 students
Showing 2016–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
16 teachers
Showing 2015–2025. Full 39-year historical data available below ↓
Year Founded
1932
School Calendar
School Rankings
Century Jr/sr High School ranks within the bottom 50% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Century Jr/sr High School is 0.25, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#3040 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
≤5%
27%
Showing 2012–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
10-14%
30%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
20-29%
50%
Student-Teacher Ratio
9:1
13:1
Showing 2015–2025. Full 39-year historical data available below ↓
Hispanic
1%
29%
Showing 2013–2025. Full 34-year historical data available below ↓
Black
7%
16%
Showing 2016–2025. Full 38-year historical data available below ↓
White
86%
45%
Showing 2016–2025. Full 38-year historical data available below ↓
Two or more races
6%
4%
Showing 2016–2025. Full 15-year historical data available below ↓
All Ethnic Groups
Showing 2016–2025. Full 38-year historical data available below ↓
Graduation Rate
≥80%
87.6%
Chronically Absent Students
(22-23)26%
29.7%
Eligible for Free Lunch
86%
43%
Showing 2015–2025. Full 24-year historical data available below ↓
Eligible for Reduced Lunch (12-13)
13%
5%
Showing 2003–2013. Full 12-year historical data available below ↓
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Century Jr/sr High School's ranking?
Century Jr/sr High School is ranked #3040 out of 3,542 schools, which ranks it among the bottom 50% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
≤5% of students have achieved math proficiency (compared to the 27% IL state average), while 10-14% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Century Jr/sr High School?
The graduation rate of Century Jr/sr High School is 80%, which is lower than the Illinois state average of 87.6%.
How many students attend Century Jr/sr High School?
146 students attend Century Jr/sr High School.
What is the racial composition of the student body?
86% of Century Jr/sr High School students are White, 7% of students are Black, 6% of students are Two or more races, and 1% of students are Hispanic.
What is the student-teacher ratio of Century Jr/sr High School?
Century Jr/sr High School has a student ration of 9:1, which is lower than the Illinois state average of 13:1.
What grades does Century Jr/sr High School offer ?
Century Jr/sr High School offers enrollment in grades 6-12
What school district is Century Jr/sr High School part of?
Century Jr/sr High School is part of Century CUSD 100 School District.
School Reviews
2 10/10/2025
Why does this school only give verbal warnings to Bullies. hat is Not helping the situations going on.
1 10/10/2025
Bullying is bad, and the staff is scared of the kids!
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