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Welcome to the Three Oaks School community. What's one thing that would make Three Oaks School even better?
Community prompt from u/allk12. Replies below.
Enrollment
443
Elementary
DISTRICT 403 · STATE 381
SCHOOL COMMUNITY·CARY CCSD 26·NCES 170873000573
Three Oaks School
1514 3 Oaks Rd, Cary, IL 60013 · (224) 357-5450 · McHenry County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL443 STUDENTS
Student : Teacher
10.7:1
41 FTE teachers
DISTRICT 14.2:1 · STATE 13.9:1
Free / Reduced Lunch
33%
146 students
DISTRICT 27% · 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
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 24 | 5% |
| Grade 1 | 63 | 14% |
| Grade 2 | 95 | 21% |
| Grade 3 | 78 | 18% |
| Grade 4 | 82 | 19% |
| Grade 5 | 101 | 23% |
Student demographics
51%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 45% · 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
Three Oaks School→Cary Jr High School
Based on grade levels within Cary CCSD 26. Attendance zones can vary; confirm enrollment with the district.
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
62.3%
IL avg 51.0% . +22.6pp since 2023
Math
47.5%
IL avg 37.9% . +17.9pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 62 of every 100 students at this school read and write at grade level and about 48 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 23 points since 2023, while math scores are up about 18 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 62.3% | 47.5% |
| 2023-24 | 39.7% | 29.6% |
% 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
52.1%
composite math + reading, all grades
Predicted
52.5%
based on IL schools with similar FRL share
Beats by
-0.4pp
below demographic expectation
What this means: About 52% of students here test proficient in math and reading, compared with the roughly 52% 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 →
Where Three Oaks School ranks
Among elementary schools| Measure | This school | In Illinois | In McHenry County |
|---|---|---|---|
| State test proficiency ranked highest first | 52.1% | #524 of 1,925 | #19 of 44 |
| Math proficiency ranked highest first | 47.5% | #739 of 2,077 | #25 of 44 |
| Reading proficiency ranked highest first | 62.3% | #602 of 2,077 | #17 of 44 |
| Enrollment ranked largest first | 443 | #783 of 2,419 | #26 of 51 |
| Students per teacher ranked fewest first | 10.7:1 | #228 of 2,035 | #6 of 49 |
| Diversity index ranked most diverse first | 50.8% | #903 of 2,042 | #24 of 49 |
| Free and reduced lunch ranked highest share first | 33.0% | #1,721 of 2,132 | #28 of 49 |
| Enrollment change since 2017-18 ranked steepest decline first | -23.9% | #318 of 1,461 | #5 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.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
443
+30 (+7%) vs 2020
-42% since 2000-01, when it was 767
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 | 443 | 41.4 | 10.7:1 | 33% (146) |
| 2023-24 | 439 | 40.2 | 10.9:1 | 31% (135) |
| 2022-23 | 416 | 41 | 10.2:1 | 32% (132) |
| 2020-21 | 413 | N/A | N/A | N/A |
| 2017-18 | 582 | 40 | 14.6:1 | 43% (249) |
| 2015-16 | 553 | 38 | 14.6:1 | 41% (228) |
| 2010-11 | 485 | 22 | 22.1:1 | 35% (169) |
| 2000-01 | 767 | 43 | 17.8:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Three Oaks School.
About Three Oaks School
Three Oaks School serves students in Cary, Illinois, as a medium-sized elementary school. A total of 443 students attend the school, which covers kindergarten through 5.
Cary CCSD 26 is the local district for Three Oaks School. It runs 5 schools with 2,372 students.
White students account for 63% of enrollment at Three Oaks School. Enrollment also includes 31% Hispanic and 3% multiracial. The school's White share is 17 points below the 80% share among McHenry County residents. By the diversity index, Three Oaks School comes in at 51%.
Teachers at Three Oaks School total 41.4 full-time equivalents, and the ratio is 10.7:1. The 13.9:1 average for elementary schools in Illinois is higher than this school's figure. The school counts 146 students as eligible for free or reduced-price lunch, or 33%. That is close to the 35% average for public schools in McHenry County.
On a poverty-adjusted basis, Three Oaks School falls in the middle 80% of Illinois schools: 52.1% actual against 52.5% predicted.
County data help place the school in context: in McHenry County, median household income is about $104,802, a bachelor's degree or higher is held by about 35% of adults, and the poverty rate is about 4%. The public schools of McHenry County number 89 and enroll about 50,123.
The closest other public school is Cary-Grove Community High School, about 0.6 miles away. There are at least 8 other public schools within five miles. Nearby schools average 51.9% on proficiency, and Three Oaks School is above that at 52.1%.
On the NCES locale scale, the school is Suburb: Large.
Three Oaks School had 413 students in 2020-21 and 443 in 2024-25, a 7% rise.
To ask about sports tryouts, band and choir, and theater, start a discussion on this page. Anyone with firsthand experience at this school can post or comment.
McHenry County at a glance
View full county profilePopulation
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
Related schools
Other schools in Cary CCSD 26
- Cary Jr High SchoolMiddle · 761 students
- Deer Path Elementary SchoolElementary · 452 students
- Briargate Elementary SchoolElementary · 400 students
- Oak Knoll Early Childhood CenterElementary · 316 students
Other schools in Cary
- Cary-Grove Community High SchoolHigh · 1,348 students
- Cary Jr High SchoolMiddle · 761 students
- Deer Path Elementary SchoolElementary · 452 students
- Briargate Elementary SchoolElementary · 400 students
- Oak Knoll Early Childhood CenterElementary · 316 students
Nearby schools
- Cary-Grove Community High School0.6 mi · 1,348
- Oak Knoll Early Childhood Center0.6 mi · 316
- Cary Jr High School0.8 mi · 761
- Deer Path Elementary School1.0 mi · 452
- Briargate Elementary School1.6 mi · 400
- Fox River Grove Middle School1.8 mi · 174
Frequently asked questions
About Three Oaks SchoolWhat is the total enrollment at Three Oaks School?
Three Oaks School enrolls approximately 443 students in grades KG-05.
What age range does Three Oaks School serve?
Three Oaks School serves students from grade KG through grade 05.
How many teachers does Three Oaks School have?
Three Oaks School employs 41 FTE teachers, for a student-to-teacher ratio of 10.7:1.
How diverse is Three Oaks School?
Three Oaks School reports a student body of 63% White, 31% Hispanic, 1% Black, 1% Asian, 3% Two or more.
What district is Three Oaks School in?
Three Oaks School is part of Cary CCSD 26.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.