Clifford Johnson School

2s700 Continental Dr
Warrenville, IL 60555
(School attendance zone shown in map)
7/
10
Top 50%
Serving 473 students in grades Kindergarten-5, Clifford Johnson School ranks in the top 50% of all schools in Illinois for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 30% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 31% (which is higher 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 70% of the student body (majority Hispanic), which is higher than the Illinois state average of 55% (majority Hispanic).

Quick Facts (2026)

  • Grades: Kindergarten-5
  • Enrollment: 473 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 70%
  • : Top 50% in IL
  • : 30% (Top 50%)
  • : 31% (Top 50%)
  • : 40-44% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

School Overview

Clifford Johnson School's student population of 473 students has grown by 8% over five school years.
The teacher population of 43 teachers has grown by 19% over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
473 students
Total Classroom Teachers
43 teachers
School Calendar
School Motto
Inspiring in everyone a passion to excel

School Rankings

Clifford Johnson School ranks within the top 50% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Clifford Johnson School is 0.61, 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.
This School
State Level (IL)
#1312 out of 3542 schools
(Top 50%)
30%
27%
31%
30%
40-44%
50%
Student-Teacher Ratio
11:1
13:1
Asian
6%
6%
Hispanic
55%
29%
Black
4%
16%
White
30%
45%
Two or more races
5%
4%
All Ethnic Groups
0.61
Eligible for Free Lunch
54%
43%
Eligible for Reduced Lunch
11%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education

Frequently Asked Questions

What is Clifford Johnson School's ranking?
Clifford Johnson School is ranked #1312 out of 3,542 schools, which ranks it among the top 50% of public schools in Illinois.
What schools are Clifford Johnson School often compared to?
Clifford Johnson Schoolis often viewed alongside schools like Bower Elementary School, Grace Mcwayne Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30% of students have achieved math proficiency (compared to the 27% IL state average), while 31% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Clifford Johnson School?
473 students attend Clifford Johnson School.
What is the racial composition of the student body?
55% of Clifford Johnson School students are Hispanic, 30% of students are White, 6% of students are Asian, 5% of students are Two or more races, and 4% of students are Black.
What is the student-teacher ratio of Clifford Johnson School?
Clifford Johnson School has a student ration of 11:1, which is lower than the Illinois state average of 13:1.
What grades does Clifford Johnson School offer ?
Clifford Johnson School offers enrollment in grades Kindergarten-5
What school district is Clifford Johnson School part of?
Clifford Johnson School is part of CUSD 200 School District.

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Quick Facts (2026)

  • Grades: Kindergarten-5
  • Enrollment: 473 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 70%
  • : Top 50%
  • : 30% (Top 50%)
  • : 31% (Top 50%)
  • : 40-44% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), IL Dept. of Education

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