The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·WAUCONDA CUSD 118·NCES 174119001454

Cotton Creek School

545 Newport Ct, Island Lake, IL 60042 · (847) 526-4700 · McHenry County
GRADES PK–05ELEMENTARY21-SUBURBREGULAR SCHOOL580 STUDENTS
B
allk12 Grade
Scored higher than 58% of Illinois public elementary schools
  • B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • B-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Illinois public elementary schools

Enrollment
580
Elementary
DISTRICT 592 · STATE 381
Student : Teacher
12.0:1
48 FTE teachers
DISTRICT 11.1:1 · STATE 13.9:1
Free / Reduced Lunch
36%
211 students
DISTRICT 35% · STATE 56%
Community
5
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Pre-K5810%
Kindergarten7212%
Grade 16611%
Grade 29416%
Grade 38314%
Grade 49717%
Grade 511019%

This year's kindergarten class (72) is 35% smaller than its 5th grade class (110).

Student demographics
56%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 55% · STATE 69% · US 70%
White
32857%
DISTRICT 59% · STATE 45% · US 43%
Hispanic
19734%
DISTRICT 33% · STATE 29% · US 30%
Black
224%
DISTRICT 2% · STATE 16% · US 15%
Asian
132%
DISTRICT 3% · STATE 6% · US 6%
Two+
193%
DISTRICT 3% · STATE 5% · US 5%
Native American
10%
DISTRICT 0% · STATE 0% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
30052%
Female
28048%

Discussions

+ POST

Test scores

IAR + ISA 2024-25 . % Proficient (Levels 4-5)
English Language Arts
61.1%
IL avg 51.0% . +25.6pp since 2023
Math
50.7%
IL avg 37.9% . +14.7pp since 2023

What this means: On the IAR + ISA, Illinois's statewide test, about 61 of every 100 students at this school read and write at grade level and about 51 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 26 points since 2023, while math scores are up about 15 points.

IAR + ISA results by year

School yearEnglish Language ArtsMath
2024-2561.1%50.7%
2023-2435.5%36.0%
% Proficient (Levels 4-5), all students and all tested grades.
Source: IAR + ISA. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
51.3%
composite math + reading, all grades
Predicted
50.5%
based on IL schools with similar FRL share
Beats by
+0.8pp
above demographic expectation

What this means: About 51% of students here test proficient in math and reading, compared with the roughly 51% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Cotton Creek School

Cotton Creek School's state test result (51.3% proficient) is higher than 4 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Cotton Creek School this school58036.4%51.3%
Big Hollow Elementary School
Ingleside
52235.2%38.5%
River View Elementary School
Plainfield
58437.7%50.0%
Hillcrest Elementary School
Antioch
61434.2%43.2%
Riverwood Elementary School
McHenry
61941.4%44.2%
Central Elementary School
Plainfield
54436.8%57.6%
Matched among Illinois elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Cotton Creek School ranks

Among elementary schools
MeasureThis schoolIn IllinoisIn McHenry County
State test proficiency
ranked highest first
51.3%#553 of 1,925#24 of 44
Math proficiency
ranked highest first
50.7%#652 of 2,077
▼ 20
#18 of 44
▼ 3
Reading proficiency
ranked highest first
61.1%#647 of 2,077
▲ 310
#19 of 44
▲ 13
Enrollment
ranked largest first
580#311 of 2,419#10 of 51
Students per teacher
ranked fewest first
12.0:1#560 of 2,035#13 of 49
Diversity index
ranked most diverse first
56.2%#707 of 2,042#10 of 49
Free and reduced lunch
ranked highest share first
36.4%#1,638 of 2,132#25 of 49
Enrollment change since 2017-18
ranked steepest decline first
-3.3%#1,297 of 1,461#23 of 31
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
580
+2 (+0%) vs 2020
-26% since 2000-01, when it was 779
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2558048.212.0:136% (211)
2023-2459844.513.4:140% (238)
2022-2357638.714.9:138% (216)
2020-21578N/AN/AN/A
2017-1860040.115.0:132% (194)
2015-166783917.4:128% (188)
2010-116434016.1:126% (166)
2000-017794019.5:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Cotton Creek School.

Since 2017-18: students down 3% (600 to 580); teachers up 20% (40.1 to 48.2).

About Cotton Creek School

In Island Lake, Illinois, part of McHenry County, Cotton Creek School is an elementary school. The school enrolls 580 students in pre-K through 5. On average, elementary schools in Illinois enroll around 381, and this school is 52% bigger than that mark.

District-wide, Wauconda CUSD 118 has 6 schools and 4,186 students.

More than half of the students at Cotton Creek School are White (57%). The remaining shares are 34% Hispanic, 4% Black, 3% multiracial, and 2% Asian. Census estimates put the White share of McHenry County's population at about 80%. The diversity index for Cotton Creek School is 56%. For US public schools as a whole it is 70%.

A staff of 48.2 full-time-equivalent teachers puts the student-to-teacher ratio at 12.0:1. The gap from the 13.9:1 average for elementary schools in Illinois is 1.9 students per teacher. By family income, 36% of students are eligible for free or reduced-price lunch. The figure for public schools in McHenry County is close, at 35%.

Cotton Creek School earns a B on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 58% of Illinois public elementary schools.

The BeatsExpectations prediction for Cotton Creek School is 50.5%, and its average proficiency rate across its state test results is 51.3%.

Looking at the county, McHenry County, the median household earns about $104,802 a year, the share of adults with a bachelor's degree or higher is 35%, and about 4% of people live in poverty. Counting Cotton Creek School, McHenry County has 89 public schools.

About 1.4 miles separate Cotton Creek School from the closest public school, Matthews Middle School. Other public schools within five miles: at least 8. Cotton Creek School is 5th of 9 nearby schools by average proficiency rate.

The school's federal locale classification is Suburb: Large.

Over 4 years, enrollment stayed close to where it was, going from 578 to 580.

This page is a place to ask questions and share updates about fundraisers, report cards, and school supplies at Cotton Creek School. Members of the school community can share what they know.

McHenry County at a glance

View full county profile
Population
312,591
Census ACS
Median income
$104,802
Household, ACS
Bachelor's+
35%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
89
50,123 students

Quick facts

School name
Cotton Creek School
District
Wauconda CUSD 118
Address
545 Newport Ct, Island Lake, IL 60042
Phone
(847) 526-4700
County
McHenry County
Level
Elementary
Grade range
PK–05
Total enrollment
580
Teachers (FTE)
48
Student–teacher ratio
12.0:1
Free and reduced lunch
211 (36%)
Locale
21-Suburb: Large
NCES ID
174119001454
Charter school
No
Virtual school
No

Related schools

Other schools in Wauconda CUSD 118
Other schools in Island Lake
Nearby schools

Frequently asked questions

About Cotton Creek School
What is the total enrollment at Cotton Creek School?
Cotton Creek School enrolls approximately 580 students in grades PK-05.
What grades does Cotton Creek School serve?
Cotton Creek School serves grades PK-05.
What is the student-teacher ratio at Cotton Creek School?
The student-to-teacher ratio at Cotton Creek School is approximately 12.0:1 (48 FTE teachers).
What is the racial breakdown of students at Cotton Creek School?
At Cotton Creek School, the student body is approximately 57% White, 34% Hispanic, 4% Black, 2% Asian, 3% Two or more.
Who oversees Cotton Creek School?
Cotton Creek School is overseen by Wauconda CUSD 118 in McHenry County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post