Serving 327 students in grades Prekindergarten-8, Robertson Charter 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 11% (which is lower than the Illinois state average of 30%).
The student-teacher ratio of 30:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 99% of the student body (majority Black), which is higher than the Illinois state average of 55% (majority Hispanic and Black).
Quick Facts (2026)
- School Type: Charter School
- Grades: Prekindergarten-8
- Enrollment: 327 students
- Student-Teacher Ratio: 30:1
- Minority Enrollment: 99%
- Overall Testing Rank: Bottom 50% in IL
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 11% (Btm 50%)
- Science Proficiency: 10-14% (Btm 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Robertson Charter School's student population of 327 students has declined by 10% over five school years.
The teacher population of 11 teachers has declined by 15% over five school years.
School Type
Grades Offered
Grades Prekindergarten-8
Total Students
327 students
Total Classroom Teachers
11 teachers
Year Founded
2001
School Calendar
School Rankings
Robertson Charter 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 Robertson Charter School is 0.20, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#3164 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤5%
27%
Reading/Language Arts Test Scores (% Proficient)
11%
30%
Science Test Scores (% Proficient)
10-14%
50%
Student-Teacher Ratio
30:1
13:1
American Indian
1%
n/a
Asian
n/a
6%
Hispanic
1%
29%
Black
89%
16%
White
1%
45%
Hawaiian
n/a
n/a
Two or more races
8%
4%
All Ethnic Groups
Eligible for Free Lunch
2%
43%
Eligible for Reduced Lunch (11-12)
11%
27%
School Statewide Testing
School District Name
Decatur SD 61 School District
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Robertson Charter School's ranking?
Robertson Charter School is ranked #3164 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 11% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Robertson Charter School?
327 students attend Robertson Charter School.
What is the racial composition of the student body?
89% of Robertson Charter School students are Black, 8% of students are Two or more races, 1% of students are American Indian, 1% of students are Hispanic, and 1% of students are White.
What is the student-teacher ratio of Robertson Charter School?
Robertson Charter School has a student ration of 30:1, which is higher than the Illinois state average of 13:1.
What grades does Robertson Charter School offer ?
Robertson Charter School offers enrollment in grades Prekindergarten-8
What school district is Robertson Charter School part of?
Robertson Charter School is part of Decatur SD 61 School District.
School Reviews
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