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Elementary · Regular · Grades K to 5

Clifford Johnson School, Warrenville, IL

Clifford Johnson School is a public elementary school in Warrenville, part of CUSD 200. It enrolled 473 students in 2024-25, with 11.3 students per full-time teacher.

Enrollment and teachers

Students
473
Teachers (FTE)
42.0
Students per teacher
11.3
Grades
K to 5

This school's ratio is 2.0 lower than the district figure of 13.3. The Illinois average across schools is 13.7. Ratios count all teachers, including specialists, so they are lower than typical class sizes.

This school11.3
District13.3
Illinois13.7
United States15.3

School details

Address
2S700 Continental Dr, Warrenville, IL 60555
Phone
(630)393-1787
District
CUSD 200
County
DuPage County
Level
Elementary
Type
Regular
Status
Open
Charter
No
Virtual
No
Locale
Suburb: Large
NCES school ID
174218005526
Location from NCES coordinates. Map data OpenStreetMap contributors. Open larger map

School meals

Counts of students eligible for free or reduced-price lunch, as reported to NCES.
Free or reduced-price lunch
29863.0% of enrollment.
Community Eligibility Provision
No

Schools in the Community Eligibility Provision (CEP) serve free meals to all students, so their free lunch counts often reflect direct certification or total enrollment. Free and reduced lunch shares are not comparable between CEP and non-CEP schools.

Related schools

Other elementary schools in CUSD 200

We publish official enrollment and staffing data, not ratings or test scores.

Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.