Other / mixed grade configuration · Island Lake, IL

Cotton Creek School

Federal NCES profile for Cotton Creek School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.

2024-25 NCES dataOther / mixed grade configurationNCES 174119001454
0/100100/10042/100
👥 S:T ratio
39
🌟 Gifted program
70
🎓 Counselors
0
📋 Attendance
59
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Cotton Creek School earns 42/100 on the Resource Investment Index, with class sizes larger than 72% of Illinois schools.

42
Resource Index · Typical
15.3:1
large classes for Illinois
580
students enrolled

Cotton Creek School has class sizes larger than 72% of Illinois schools. Computed live against every Illinois school reporting to NCES.

School address

NCES CCD universe card

School universe 174119001454 · Island Lake, IL Other · MID · TRAD

580 enr · 15.3:1 · RII 42

Nearest enrollment peer: Wauconda High School (1,452 students)

Cotton Creek School CCD stamps from the federal school universe. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →

Cotton Creek School in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Cotton Creek School reports 580 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Cotton Creek School compares

Cotton Creek School on the metrics families compare, against Illinois and U.S. means.

Metric This school vs Illinois Illinois avg U.S. avg
Students per teacher 15.3:1 ▲ 9% 14:1 15.7:1
Enrollment 580 top 22% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

15.3:1
Leaner classes than 44% of US schools, a middle-of-the-pack class size.
580
Bigger than 71% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Staffing depth
15.3:1
students per teacher - 9% above state mean
Top 72% in Illinois - lower ratio than 28% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
16.4%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$19,309
per pupil, district-wide - above Illinois avg of $18,196
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 580 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 2 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 0.9 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

White 56.6%
Hispanic or Latino 34.0%
African American 3.8%
Two or More 3.3%
Asian 2.2%
American Indian / Alaska Native 0.2%

Largest group: White at 56.6% of enrollment.

Student-body diversity index 56.1/100

Simpson diversity index - at 56.1, Cotton Creek School is more mixed than the Illinois school average of 38.9.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Wauconda Cusd 118, which includes Cotton Creek School.

$19,309
Per student
+6%
vs Illinois
Avg $18,196
+9%
vs U.S.
Avg $17,658
Revenue mix
Local 58.8%
State 35.0%
Federal 6.2%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How Cotton Creek School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Wauconda High School Larger No free-lunch data Similar S:T ratio
Robert Crown School Larger No free-lunch data Similar S:T ratio
Wauconda Middle School Similar size No free-lunch data Lower S:T ratio
Matthews Middle School Similar size No free-lunch data Lower S:T ratio
Wauconda Grade School Smaller No free-lunch data Lower S:T ratio

Comparisons are relative to Cotton Creek School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Wauconda Cusd 118 · 5 sibling schools

View district profile

Nationwide other schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

Frequently asked questions about Cotton Creek School

How many students attend Cotton Creek School?

Cotton Creek School has 580 students enrolled. It is a public school in Island Lake, IL.

What is the student-teacher ratio at Cotton Creek School?

The student-teacher ratio at Cotton Creek School is 15.3:1, which is 9% higher than the Illinois average of 14:1 and 3% lower than the national average of 15.7:1.

What is the racial and ethnic makeup of Cotton Creek School?

The largest demographic group at Cotton Creek School is White at 56.6% of enrollment, in Island Lake, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.1/100.

What is the Resource Investment Index for Cotton Creek School?

Cotton Creek School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).

What other schools are in Wauconda Cusd 118?

Besides Cotton Creek School, Wauconda Cusd 118 also operates Wauconda High School (1,452 students), Robert Crown School (776 students), and Wauconda Middle School (506 students). See the Wauconda Cusd 118 district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error. Data current as of August 2026.