Crystal Lake Central High School
🇺🇸 Official data · 2025Crystal Lake, Illinois 60014 · Chsd 155
#153 of 691 high schools in Illinois
#8504 of 16,910 nationally
About Crystal Lake Central High School
Crystal Lake Central High School is a public high school located in Crystal Lake, in the Chsd 155 school district of Illinois, United States. It caters for Grades 9–12. In 2025 it enrolled 1,443 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 49.5 out of 100, placing it in the top 50% of high schools in United States and 153rd of 691 ranked high schools in Illinois. Its strongest component is community advantage (fewer free/reduced-price lunch) (74th percentile), and its weakest is reading proficiency (34th percentile).
Other published figures: enrollment 1,443.
There are 18 schools in Crystal Lake; Crystal Lake Central High School ranks 14th of 17 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)42%
- Reading proficiency (30%)44%
- Community advantage (fewer free/reduced-price lunch) (25%)35.3%
- Students per teacher (15%)17.0
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Crystal Lake Central High School by the official sources.
- Enrollment
- 1,443
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 35.3%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 17.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 44%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 42%
- Share of tested students proficient or above (all students, all grades).
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Schools near Crystal Lake Central High School
Closest schools by straight-line distance, with their Success Index (US).
Husmann Elem School
Crystal Lake · Public elementary · Grades K–5
518 students · 291 m away
Richard F Bernotas Middle Sch
Crystal Lake · Public middle · Grades 6–8
737 students · 1.6 km away
North Elem School
Crystal Lake · Public elementary · Grades K–5
638 students · 1.6 km away
Hannah Beardsley Middle School
Crystal Lake · Public middle · Grades 6–8
829 students · 1.8 km away
South Elem School
Crystal Lake · Public elementary · Grades K–5
390 students · 1.9 km away
Lundahl Middle School
Crystal Lake · Public middle · Grades 6–8
797 students · 2.0 km away
Coventry Elem School
Crystal Lake · Public elementary · Grades K–5
629 students · 2.2 km away
Canterbury Elem School
Crystal Lake · Public elementary · Grades K–5
486 students · 2.4 km away
Crystal Lake South High School
Crystal Lake · Public high · Grades 9–12
1,279 students · 3.3 km away
Prairie Ridge High School
Crystal Lake · Public high · Grades 9–12
1,133 students · 3.8 km away
Similar schools
Public high schools in Illinois with a comparable Enrollment.
Deerfield High School
Deerfield · Public high · Grades 9–12
1,437 students
Wauconda High School
Wauconda · Public high · Grades 9–12
1,452 students
Lake View High School
Chicago · Public high · Grades 9–12
1,431 students
Thornton Fractnl No High School
Calumet City · Public high · Grades 9–12
1,425 students
Dunlap High School
Dunlap · Public high · Grades 9–12
1,420 students
Vernon Hills High School
Vernon Hills · Public high · Grades 9–12
1,419 students
Frequently asked questions
Is Crystal Lake Central High School a good school?
Crystal Lake Central High School has a Success Index (US) of 49.5 out of 100 (Top 50% of high schools in United States) and ranks #153 of 691 in Illinois. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Crystal Lake Central High School rank in Illinois?
Crystal Lake Central High School ranks #153 of 691 high schools in Illinois and #8504 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Crystal Lake Central High School?
Crystal Lake Central High School had 1,443 students in 2025.
Is Crystal Lake Central High School a elementary school or a high school?
Crystal Lake Central High School is classified as a high school covering Grades 9–12. It is a public school.
What other schools are near Crystal Lake Central High School?
There are 10 schools within 15 km of Crystal Lake Central High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.