Serving 599 students in grades 5-8, Mason/clark Middle 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 2% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 6% (which is lower than the Illinois state average of 30%).
The student-teacher ratio of 11:1 is lower 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)
- Grades: 5-8
- Enrollment: 599 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 99%
- Overall Testing Rank: Bottom 50% in IL
- Math Proficiency: 2% (Btm 50%)
- Reading Proficiency: 6% (Btm 50%)
- Science Proficiency: 15% (Btm 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Mason/clark Middle School's student population of 599 students has declined by 18% over five school years.
The teacher population of 55 teachers has grown by 7% over five school years.
Grades Offered
Grades 5-8
Total Students
599 students
Gender %
Total Classroom Teachers
55 teachers
Last Day of School
Mon. May 25, 2026
School Rankings
Mason/clark Middle 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 Mason/clark Middle School is 0.10, 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
#3483 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
2%
27%
Reading/Language Arts Test Scores (% Proficient)
6%
30%
Science Test Scores (% Proficient)
15%
50%
Student-Teacher Ratio
11:1
13:1
American Indian
n/a
n/a
Asian
n/a
6%
Hispanic
3%
28%
Black
95%
17%
White
1%
45%
Hawaiian
n/a
n/a
Two or more races
1%
4%
All Ethnic Groups
Eligible for Free Lunch
100%
43%
Eligible for Reduced Lunch
1%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Mason/clark Middle School's ranking?
Mason/clark Middle School is ranked #3483 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?
2% of students have achieved math proficiency (compared to the 27% IL state average), while 6% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Mason/clark Middle School?
599 students attend Mason/clark Middle School.
What is the racial composition of the student body?
95% of Mason/clark Middle School students are Black, 3% of students are Hispanic, 1% of students are White, and 1% of students are Two or more races.
What is the student-teacher ratio of Mason/clark Middle School?
Mason/clark Middle School has a student ration of 11:1, which is lower than the Illinois state average of 13:1.
What grades does Mason/clark Middle School offer ?
Mason/clark Middle School offers enrollment in grades 5-8
What school district is Mason/clark Middle School part of?
Mason/clark Middle School is part of East St Louis School District 189.
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