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What tradition at Cary-Grove Community High School should never be changed?
Community prompt from u/allk12. Replies below.
Enrollment
1,348
High
DISTRICT 1,301 · STATE 834
SCHOOL COMMUNITY·CHSD 155·NCES 171137001366
Cary-Grove Community High School
2208 3 Oaks Rd, Cary, IL 60013 · (847) 639-3825 · McHenry County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,348 STUDENTS
A
allk12 Grade
Scored higher than 89% of Illinois public high schools
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats 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 high schools
Student : Teacher
17.7:1
76 FTE teachers
DISTRICT 16.9:1 · STATE 13.8:1
Free / Reduced Lunch
26%
345 students
DISTRICT 29% · STATE 56%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 295 | 22% |
| Grade 10 | 315 | 23% |
| Grade 11 | 379 | 28% |
| Grade 12 | 359 | 27% |
Student demographics
43%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 46% · 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
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
58.8%
composite math + reading, all grades
Predicted
56.7%
based on IL schools with similar FRL share
Beats by
+2.0pp
above demographic expectation
What this means: About 59% of students here test proficient in math and reading, compared with the roughly 57% 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 Cary-Grove Community High School
Cary-Grove Community High School's state test result (58.8% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Cary-Grove Community High School this school | 1,348 | 25.6% | 58.8% |
| Sycamore High School Sycamore | 1,161 | 24.8% | 46.8% |
| Hononegah CHD High School Rockton | 1,814 | 24.7% | 63.2% |
| Prairie Ridge High School Crystal Lake | 1,133 | 22.4% | 60.6% |
| Mascoutah High School Mascoutah | 1,243 | 21.8% | 58.9% |
| Yorkville High School Yorkville | 2,266 | 25.8% | 44.4% |
Matched among Illinois high 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 Cary-Grove Community High School ranks
Among high schools| Measure | This school | In Illinois | In McHenry County |
|---|---|---|---|
| State test proficiency ranked highest first | 58.8% | #39 of 573 | #2 of 13 |
| Enrollment ranked largest first | 1,348 | #168 of 708 | #5 of 14 |
| Students per teacher ranked fewest first | 17.7:1 | #491 of 528 | #13 of 13 |
| Diversity index ranked most diverse first | 42.6% | #237 of 537 | #9 of 13 |
| Free and reduced lunch ranked highest share first | 25.6% | #526 of 578 | #11 of 13 |
| Enrollment change since 2017-18 ranked steepest decline first | -20.9% | #53 of 358 | #3 of 10 |
Ranked against other public high 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
1,348
-243 (-15%) vs 2020
+48% since 1990-91, when it was 910
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 | 1,348 | 76.3 | 17.7:1 | 26% (345) |
| 2023-24 | 1,413 | 82.2 | 17.2:1 | 27% (378) |
| 2022-23 | 1,494 | 83.3 | 17.9:1 | 23% (343) |
| 2020-21 | 1,591 | N/A | N/A | N/A |
| 2017-18 | 1,705 | 94.5 | 18.1:1 | 19% (319) |
| 2015-16 | 1,787 | 101 | 17.7:1 | 14% (259) |
| 2010-11 | 1,811 | 101 | 17.9:1 | 10% (188) |
| 2000-01 | 1,468 | 84 | 17.5:1 | N/A |
| 1990-91 | 910 | 53 | 17.2:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Cary-Grove Community High School.
Since 2017-18: students down 21% (1,705 to 1,348); teachers down 19% (94.5 to 76.3).
About Cary-Grove Community High School
Cary-Grove Community High School is the name of a large high school in Cary, Illinois. It teaches 1,348 students in grades 9 through 12. By comparison, high schools in Illinois enroll about 834 students on average.
CHSD 155 includes 4 schools. Together they enroll 5,203 students.
The share of White students at Cary-Grove Community High School is 73%, a majority. The remaining students are 20% Hispanic and 3% multiracial. On a 0 to 100 scale, the school's diversity index is 43, compared with 70 nationally.
The school had 76.3 full-time-equivalent teachers in 2024-25. Its student-to-teacher ratio is 17.7:1. Across high schools in Illinois, the average ratio is 13.8:1. The eligibility rate for free or reduced-price meals is 26%. That is 9 points below the 35% average for public schools in McHenry County.
On the allk12 Grade, Cary-Grove Community High School lands at A, ahead of 89% of Illinois public high schools.
The allk12 BeatsExpectations score for Cary-Grove Community High School is +2.0 points: 58.8% actual, 56.7% predicted.
Census data for McHenry County show the median household earns about $104,802 a year, roughly 35% of adults have a four-year degree or more, and the share of residents below the poverty line is 4%. Public schools in McHenry County number 89, with about 50,123 students.
Oak Knoll Early Childhood Center, about 0.6 miles away, is the closest public school. Within five miles of Cary-Grove Community High School, there are at least 8 other public schools. Compared with its nearest neighbors, Cary-Grove Community High School ranks 1st of 8 on average proficiency.
The school's locale code, Suburb: Large, means it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Enrollment figures show a decline of 243 students from 2020-21 to 2024-25.
You can use this page to share news and ask questions about fundraisers, report cards, and school supplies. Current and former families are welcome to add their experience.
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 CHSD 155
- Crystal Lake Central High SchoolHigh · 1,443 students
- Crystal Lake South High SchoolHigh · 1,279 students
- Prairie Ridge High SchoolHigh · 1,133 students
- Haber Oaks CampusHigh
Other schools in Cary
- Cary Jr High SchoolMiddle · 761 students
- Deer Path Elementary SchoolElementary · 452 students
- Three Oaks SchoolElementary · 443 students
- Briargate Elementary SchoolElementary · 400 students
- Oak Knoll Early Childhood CenterElementary · 316 students
Nearby schools
- Oak Knoll Early Childhood Center0.6 mi · 316
- Cary Jr High School0.6 mi · 761
- Three Oaks School0.6 mi · 443
- Deer Path Elementary School0.8 mi · 452
- Briargate Elementary School1.2 mi · 400
- Fox River Grove Middle School2.2 mi · 174
Frequently asked questions
About Cary-Grove Community High SchoolWhat is the total enrollment at Cary-Grove Community High School?
Cary-Grove Community High School enrolls approximately 1,348 students in grades 09-12.
Is Cary-Grove Community High School an elementary, middle, or high school?
Cary-Grove Community High School is a high school covering grades 09-12.
How many teachers does Cary-Grove Community High School have?
Cary-Grove Community High School employs 76 FTE teachers, for a student-to-teacher ratio of 17.7:1.
What is the student diversity at Cary-Grove Community High School?
Student demographics at Cary-Grove Community High School are roughly 73% White, 20% Hispanic, 2% Black, 2% Asian, 3% Two or more.
Who oversees Cary-Grove Community High School?
Cary-Grove Community High School is overseen by CHSD 155 in McHenry County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.