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Very Good

#643 of 3,813 schools in IL

Top 17% in state

Clifford Johnson School

Elementary School · Cusd 200 · Warrenville, IL

A Cusd 200 elementary school where students score 11 points above what's typical for similar communities.

2S700 Continental Dr, Warrenville, IL 60555

  • Math 32% proficient (2021)
  • Reading 31% proficient (2022)
  • 11.8:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress7.6Very Good50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-4.19 pts/yr
Data Period2009–2022
TrendDeclining
Academics8.3Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency32% (2021 EdFacts)
Reading/ELA Proficiency31% (2022 EdFacts)
Overall Proficiency32% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)21% (model expectation from 2022 EdFacts)
vs. Expected+10.7 pts
Adjusted Percentile75th
Resources & Environment8.2Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio11.8:1
District spending per student$19,208
Chronic Absenteeism27.7%

Students at Clifford Johnson School score 32% proficient, which is above what's typical for similar communities (expected: 21%).

How we calculate scores →

2022 EdFacts proficiency

Most recent published year. School vs. IL average.

Math Proficiency32%(2021 EdFacts)
School
State
Not reported(2021 EdFacts)
ELA Proficiency31%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)

Trend

↓ Declining

Proficiency has fallen 11 points since 2019, to 31% in 2022, across a 14-year record (2009–2022).

Show all 14 years
2009
Math
90%
ELA
80%
2010
Math
91%
ELA
69%
2011
Math
85%
ELA
77%
2012
Math
57%
ELA
53%
2013
Math
62%
ELA
54%
2014
Math
21%
ELA
32%
2015
Math
41%
ELA
36%
2016
Math
43%
ELA
42%
2017
Math
46%
ELA
47%
2018
Math
44%
ELA
40%
2019
Math
44%
ELA
40%
2020*
Math
32%
ELA
32%
2021*
Math
32%
ELA
32%
2022
ELA
31%

Multi-year averages used by the rating model: math 53% (multi-year average, 2009-2021) · reading/ELA 48% (multi-year average, 2009-2022)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 27 test records from IL state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

62.3%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Clifford Johnson School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Chicago map →

Getting around & local context

  • Walk 56Somewhat Walkable
  • Bike 68Bikeable
  • City Safety: Elevated741/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Warrenville), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$100,076

Median home value

$271,900

Median rent

$1,757/mo

College educated

43.7%

Homeownership

75.8%

Poverty rate

10.9%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 60555; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
The Waldorf School of DupagePrivate · tuition6.6privatePK–70.2 mi62Compare →
Bower Elem SchoolEnrollment path unverified7.7K–52.1 mi404Compare →
Currier Elementary SchoolEnrollment path unverified6.0K–52.1 mi363Compare →
Brookdale Elementary SchoolEnrollment path unverified6.8K–52.7 mi457Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Cusd 200

Schools in district
20
Rank in district
#14 of 20
District spending per student
$19,208NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
4.1%Census SAIPE · 2024

Clifford Johnson School is listed in CUSD 200; a district label does not verify attendance for an address.

About Clifford Johnson School

Clifford Johnson School is a public elementary school in Warrenville, IL, part of Cusd 200, serving approximately 462 students in grades Kindergarten-5th with a 11.8:1 student-teacher ratio. It holds a MySchoolScout rating of 7.9 out of 10 and ranks #643 of 3,813 schools in IL. State assessment records show 53% math proficiency (multi-year average, 2009-2021) and 48% reading/ELA proficiency (multi-year average, 2009-2022).

Frequently asked questions

Common questions about Clifford Johnson School

What grades does Clifford Johnson School serve?

Clifford Johnson School serves students in grades Kindergarten through 5th.

How many students attend Clifford Johnson School?

Clifford Johnson School has an enrollment of approximately 462 students.

What is the student-teacher ratio at Clifford Johnson School?

The student-teacher ratio at Clifford Johnson School is 11.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Clifford Johnson School rank in IL?

Clifford Johnson School ranks #643 of 3,813 schools in IL.

What is Clifford Johnson School's MySchoolScout rating?

Clifford Johnson School has a current MySchoolScout rating of 7.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Clifford Johnson School?

Based on loaded state assessment records, Clifford Johnson School has 53% math proficiency (multi-year average, 2009-2021) and 48% reading/ELA proficiency (multi-year average, 2009-2022).

Is Clifford Johnson School a charter school?

No, Clifford Johnson School is not a charter school. It is a traditional public school operated by the local school district.

Is Clifford Johnson School a Title I school?

No, Clifford Johnson School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Clifford Johnson School?

62.3% of students at Clifford Johnson School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Kindergarten – 5th
Enrollment
462
Student-Teacher Ratio
11.8:1
Teachers (FTE)
39
Type
regular
Setting
Large Suburb
County
DuPage County
Chronic Absenteeism (SY 2022-23)
27.7%
Area population (ZIP 60555)
14,758
Area average commute
26.8 min
Area median age
37.3
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2021 EdFacts · Low confidence
  • Older source: 2021 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 60555; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2021, multi-year average, 2009-2022; directory SY 2023–24

About our data · How we calculate scores

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