Enrollment
268
Elementary
DISTRICT 265 · STATE 381
SCHOOL COMMUNITY·DIAMOND LAKE SD 76·NCES 171221001474
West Oak Intermediate School
26156 N Acorn Ln, Mundelein, IL 60060 · (847) 970-3544 · Lake County
GRADES 03–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL268 STUDENTS
C
allk12 Grade
Scored higher than 26% of Illinois public elementary schools
- CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C-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
Student : Teacher
9.2:1
29 FTE teachers
DISTRICT 8.8:1 · STATE 13.9:1
Free / Reduced Lunch
60%
160 students
DISTRICT 57% · STATE 56%
Community
0
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
| Grade | Students | Share |
|---|---|---|
| Grade 3 | 94 | 35% |
| Grade 4 | 93 | 35% |
| Grade 5 | 81 | 30% |
Student demographics
53%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 52% · STATE 69% · US 70%
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
School pathway
Students here typically continue to
West Oak Intermediate School→West Oak Middle School
Feeds from
Based on grade levels within Diamond Lake SD 76. Attendance zones can vary; confirm enrollment with the district.
QUIET COMMUNITY
Be the first to start a discussion at West Oak Intermediate School.
START A DISCUSSIONTest scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
35.5%
IL avg 51.0% . +14.9pp since 2023
Math
30.1%
IL avg 37.9% . +16.2pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 36 of every 100 students at this school read and write at grade level and about 30 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 15 points since 2023, while math scores are up about 16 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 35.5% | 30.1% |
| 2023-24 | 20.6% | 13.9% |
% 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 · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
31.6%
composite math + reading, all grades
Predicted
37.0%
based on IL schools with similar FRL share
Beats by
-5.5pp
below demographic expectation
What this means: About 32% of students here test proficient in math and reading, compared with the roughly 37% 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 West Oak Intermediate School
West Oak Intermediate School's state test result (31.6% proficient) is higher than 1 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| West Oak Intermediate School this school | 268 | 59.7% | 31.6% |
| Richard Byrd Elementary School Burbank | 266 | 61.3% | 36.5% |
| Westview Elementary School Wood Dale | 277 | 62.8% | 35.8% |
| Diamond Lake School Mundelein | 262 | 54.2% | N/A |
| Schafer Elementary School Lombard | 354 | 62.4% | 26.8% |
| Edward J Tobin Elementary School Burbank | 346 | 63.6% | 42.4% |
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 West Oak Intermediate School ranks
Among elementary schools| Measure | This school | In Illinois | In Lake County |
|---|---|---|---|
| State test proficiency ranked highest first | 31.6% | #1,218 of 1,925 | #44 of 69 |
| Math proficiency ranked highest first | 30.1% | #1,279 of 2,077 ▲ 164 | #75 of 102 ▲ 4 |
| Reading proficiency ranked highest first | 35.5% | #1,496 of 2,077 ▲ 50 | #73 of 102 ▲ 3 |
| Enrollment ranked largest first | 268 | #1,726 of 2,419 | #103 of 121 |
| Students per teacher ranked fewest first | 9.2:1 | #62 of 2,035 | #5 of 114 |
| Diversity index ranked most diverse first | 53.3% | #815 of 2,042 | #59 of 114 |
| Free and reduced lunch ranked highest share first | 59.7% | #1,023 of 2,132 | #35 of 82 |
| Enrollment change since 2017-18 ranked steepest decline first | -8.2% | #1,017 of 1,461 | #42 of 71 |
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 2024-25Enrollment
268
-16 (-6%) vs 2020
-33% since 1990-91, when it was 399
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 268 | 29 | 9.2:1 | 60% (160) |
| 2023-24 | 244 | 28.2 | 8.7:1 | 66% (160) |
| 2022-23 | 246 | 27 | 9.1:1 | 63% (155) |
| 2020-21 | 284 | N/A | N/A | N/A |
| 2017-18 | 292 | 24.6 | 11.9:1 | 61% (179) |
| 2015-16 | 325 | 26 | 12.5:1 | 60% (196) |
| 2010-11 | 349 | 33 | 10.6:1 | 54% (187) |
| 2000-01 | 386 | 29 | 13.3:1 | N/A |
| 1990-91 | 399 | 24 | 16.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for West Oak Intermediate School.
Since 2017-18: students down 8% (292 to 268); teachers up 18% (24.6 to 29).
About West Oak Intermediate School
West Oak Intermediate School is a low-enrollment elementary school found in Mundelein, Illinois. A total of 268 students attend the school, which covers grades 3 through 5. The average for elementary schools in Illinois is about 381 students, so this school is 30% smaller than average.
A total of 3 schools make up Diamond Lake SD 76, with 810 students enrolled.
West Oak Intermediate School is 63% Hispanic by enrollment. Other reported shares: 25% White, 5% Black, 4% multiracial, and 3% Asian. That compares with about 25% Hispanic among all Lake County residents. Pick two students at random and there is a 53% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
Teacher staffing is 29 full-time equivalents, or about 9.2 students per teacher. This ratio sits 4.7 below the 13.9:1 average for elementary schools in Illinois. Eligibility for subsidized school meals is 60%.
Measured against Illinois public elementary schools, West Oak Intermediate School receives a C. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.
Test results at West Oak Intermediate School are 5.5 points below what its free or reduced-price lunch share predicts (31.6% actual, 37.0% predicted).
Lake County census figures show that the median household income is $110,416, 48% of adults hold a bachelor's degree or higher, and about 6% of people live in poverty. There are 214 public schools in Lake County, enrolling about 118,032 students in all.
West Oak Middle School is the nearest neighboring public school, less than a tenth of a mile away. The five-mile area around West Oak Intermediate School holds at least 8 other public schools.
The federal government classifies West Oak Intermediate School's location as Suburb: Large.
Enrollment declined 6% from its 2020-21 level of 284.
Conversations here can range across science fairs, picture day, and bus routes. Posting is open to anyone connected to the school.
Lake County at a glance
View full county profilePopulation
714,223
Census ACS
Median income
$110,416
Household, ACS
Bachelor's+
48%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
214
118,032 students
Quick facts
Related schools
Other schools in Diamond Lake SD 76
- West Oak Middle SchoolMiddle · 280 students
- Diamond Lake SchoolElementary · 262 students
Other schools in Mundelein
- Mundelein Cons High SchoolHigh · 2,282 students
- Fremont Elementary SchoolElementary · 743 students
- Fremont Jr High/Middle SchoolMiddle · 692 students
- Fremont Intermediate SchoolElementary · 651 students
- Carl Sandburg Middle SchoolMiddle · 529 students
- Mechanics Grove Elementary SchoolElementary · 486 students
Nearby schools
- West Oak Middle School0.0 mi · 280
- Diamond Lake School0.7 mi · 262
- Washington Elementary School1.2 mi · 467
- Carl Sandburg Middle School1.8 mi · 529
- Country Meadows Elementary School1.8 mi · 439
- Woodlawn Middle School1.9 mi · 632
Frequently asked questions
About West Oak Intermediate SchoolHow many students attend West Oak Intermediate School?
West Oak Intermediate School enrolls approximately 268 students in grades 03-05.
Is West Oak Intermediate School an elementary, middle, or high school?
West Oak Intermediate School is an elementary school covering grades 03-05.
What is the student-teacher ratio at West Oak Intermediate School?
The student-to-teacher ratio at West Oak Intermediate School is approximately 9.2:1 (29 FTE teachers).
What is the racial breakdown of students at West Oak Intermediate School?
At West Oak Intermediate School, the student body is approximately 25% White, 63% Hispanic, 5% Black, 3% Asian, 4% Two or more.
Who oversees West Oak Intermediate School?
West Oak Intermediate School is overseen by Diamond Lake SD 76 in Lake County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.