Chsd 155 School District
School District · Crystal Lake, Illinois
Avg Rating
6.7
out of 10
Schools
4
4 high
Enrollment
5,340
Student-Teacher Ratio
16.5:1
Avg Rating
6.7
out of 10
Schools
4
4 high
Enrollment
5,340
Student-Teacher Ratio
16.5:1
How this district compares
Illinois rank
#284 of 637
districts by avg. composite
Vs. state average
+0.3
above Illinois avg
Per-pupil spending
$23,700
+$7,010 vs Illinois median
District size
5,340 students
Much larger than Illinois median
The short answer
Chsd 155 ranks #284 of 637 Illinois districts by overall school rating. Chsd 155's schools with real test data average 6.7/10 across 4 schools. Its top-rated schools are Cary-Grove Community High School (7.2/10), Prairie Ridge High School (7.1/10), and Crystal Lake Central High School (6.3/10). Schools with estimated (proxy) scores are excluded from this ranking.
Top-Rated Schools in Chsd 155
Ranked by MySchoolScout composite rating using only schools with real test data (4 of 4). "Value" = points above what student poverty predicts. Estimated (proxy) scores are excluded.
| # | School | Rating |
|---|---|---|
| 1 | Cary-Grove Community High School | 7.2 / 10 |
| 2 | Prairie Ridge High School | 7.1 / 10 |
| 3 | Crystal Lake Central High School | 6.3 / 10 |
| 4 | Crystal Lake South High School | 6.0 / 10 |
See all 4 schools — including those with estimated data — in the full directory below. How we rate schools.
About Chsd 155
Chsd 155 is a Crystal Lake, Illinois school district serving 4 schools.The district educates 5,340 students with a student-teacher ratio of 16.5:1. District-level spending was $23,700 per student in fiscal year 2023 (NCES F-33).
With an average rating of 6.7/10, Chsd 155 demonstrates solid academic performance.
The highest-rated school in the district is Cary-Grove Community High School, which has a composite score of 7.2/10.
In standardized testing, Chsd 155 students show an average math proficiency of 47.6% and ELA proficiency of 50.3%.
The district includes 4 high schools.
District Map
Schools in Chsd 155, colored by MySchoolScout rank. Click a pin for details.
District Average Test Scores
Average proficiency across all schools in Chsd 155 with test data.
Schools in Chsd 155
4 schoolsDistrict Details
- State
- Illinois
- City
- Crystal Lake
- Total Enrollment
- 5,340
- Teachers (FTE)
- 324
- District spending per student
- $23,700NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- Child poverty rate
- 4.6%Census SAIPE · 2024
- District directory year
- 2023
Frequently Asked Questions
How many schools are in Chsd 155?
Chsd 155 has 4 schools in total — 4 high schools. You can explore each school's ratings and details on this page.
What is the average rating for Chsd 155?
The average composite rating for Chsd 155 is 6.7/10. This score is calculated from the individual ratings of all schools with academic data in the district.
What is the district spending per student in Chsd 155?
Chsd 155's district-level spending was $23,700 per student in fiscal year 2023, according to NCES F-33. This is district context, not an individual-school expense.
What is the student-teacher ratio in Chsd 155?
The average student-teacher ratio in Chsd 155 is 16.5:1.
What is the top-rated school in Chsd 155?
Cary-Grove Community High School is the highest-rated school in Chsd 155 with a composite score of 7.2/10.
What are the test scores in Chsd 155?
Across schools in Chsd 155 with test data, the average math proficiency is 47.6% and the average ELA (reading/writing) proficiency is 50.3%. These figures represent the percentage of students meeting or exceeding grade-level standards.
How does Chsd 155 compare to other districts in Illinois?
Chsd 155 has an average school rating of 6.7/10 across 4 schools. Families can compare this to other districts in Illinois by visiting individual district pages. Factors like school size, available programs, and community demographics also play a role in choosing the right fit.
How does MySchoolScout rate schools?
MySchoolScout ratings blend student growth, poverty-adjusted academic performance, and learning environment — plus college readiness for high schools. Weights vary by school level, and equity data is shown for context without being factored into the score. Learn more about our rating system on our methodology page.
District Averages
- Overall Rating
- 6.7/10
- Math Proficiency
- 47.6%
- ELA Proficiency
- 50.3%
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateOther School Districts in IL
Compare Chsd 155 with neighboring districts in the state.
- Chicago Public Schools Dist 299 (643)
- Sd U-46 (56)
- Rockford Sd 205 (45)
- Springfield Sd 186 (35)
- Indian Prairie Cusd 204 (34)
- Peoria Sd 150 (32)
- Plainfield Sd 202 (31)
- Cusd 300 (29)
- Schaumburg Ccsd 54 (28)
- Mclean County USD 5 (26)
- Cusd 308 (22)
- Joliet Psd 86 (22)
- Naperville Cusd 203 (22)
- Waukegan Cusd 60 (22)
- Aurora East USD 131 (20)
- Champaign Cusd 4 (20)
- Cusd 200 (20)
- Palatine Ccsd 15 (20)
- Valley View Cusd 365u (20)
- St Charles Cusd 303 (18)
- Aurora West USD 129 (17)
- Evanston Ccsd 65 (17)
- Decatur Sd 61 (16)
- Cicero Sd 99 (15)
Data from NCES Common Core of Data, Illinois Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.
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