School Details

Crystal Lake Central High School

45 W Franklin Ave, Crystal Lake, IL 60014
(815) 459-2505

(out of 10)

Public Grades 9-12 1588 students 17 students/teacher (IL avg is 17)

Test Scores by grade


Prairie State Achievement Exam Results (PSAE)

In 2013-2014 Illinois used the Prairie State Achievement Examination (PSAE) to test students in grade 11 in reading, math and science. The PSAE is a standards-based test, which means it measures how well students are mastering specific skills defined for each grade by the state of Illinois. The goal is for all students to score at or above the state standard.
  • This school in 2014
  • Chsd 155 School District average
  • Illinois state average

% scale represents number of student who met or exceeded standards

About this school

Crystal Lake Central High School is a public high school in Crystal Lake. The principal of Crystal Lake Central High School is Steven E Olson. 1,588 students go to Crystal Lake Central High School and identify as White, non-Hispanic; Multiracial; and Asian/Pacific Islander. 2% of the Crystal Lake Central High School students have "limited English proficiency." 9% of the 1,588 students here are classified as "economically disadvantaged", and 24% have subsidized lunches. The student to teacher ratio at Crystal Lake Central High School is 17:1. Crystal Lake South High School is one of the nearest high schools.

Extracurricular activities


  • Band
  • Ceramics sculpture
  • Chorus
  • Computer arts
  • Dance
  • Drawing painting
  • Orchestra
  • Photography
  • Theater drama
  • Video film production

Languages Taught

  • Arabic
  • Cantonese
  • French
  • German
  • Hebrew
  • Italian
  • Japanese
  • Korean
  • Latin
  • Mandarin
  • Russian
  • Spanish
  • Tagalog


  • Badminton
  • Baseball
  • Basketball
  • Cheerleading
  • Crew
  • Cross country
  • Field hockey
  • Football
  • Golf
  • Gymnastics
  • Lacrosse
  • Martial arts self defense
  • P.E. classes
  • Rock climbing
  • Rugby
  • Soccer
  • Softball
  • Swimming
  • Tennis
  • Track
  • Ultimate Frisbee
  • Volleyball
  • Water polo
  • Wrestling

Student Ethnicities

Ethnicity School District
White, non-Hispanic 81% 85%
Multiracial 3% 2%
Asian/Pacific Islander 2% 2%
Asian 2% %
Hispanic 12% 9%
Black, non-Hispanic 1% 1%
Native American or Native Alaskan 0.3% 0%
Native Hawaiian or Other Pacific Islander 0% 0%

Student Subgroups

Subgroup School District
Students eligible for free or reduced-price lunch program 24% 14%
Limited English proficiency 2% 1%
Economically disadvantaged 9% 5%

Community ratings & reviews

  • (1 year ago)

    My daughter is a freshman at CLC and we are new to this district. She LOVES the school - so I love the school. She said most everyone is friendly and agrees that the students don't care which "group" you belong to.. most everyone talks to everyone. I've been super impressed with her teachers and the amount of work they give. Not too little not to much. The Booster/ Parent support for the school is awesome - everyone really seems to like it here. I couldn't be more pleased. Communication is great - honestly could not think of one area that needs improvement. CLC gets an A+ from us.

  • (1 year ago)

    While they did provide some good classes geared towards something you might actually give two poops about be prepared to be pushed around by the lack-of-a-heartbeat counselors. They put you into classes that mean nothing and sometimes the class' credit doesn't go towards graduation. If your child is going here make sure he/she has the willingness from day one to get what they want and need schedule wise. One semester I had 4! study halls EVERYDAY. I was wasting my life away in a silent room filled with people who wanted to do something for themselves but couldnt.

  • (2 years ago)

    I beg parents looking to move to this area to reconsider. Moving here has been the worst expierence of my life. I moved here from the St. Louis area. I was at the time handicapped with various illnesses but optimistic. I've always been able to make friends easily too so i wasnt particularly worried about the people. I lack the proper words to describe the hell these kids put me through. Even now I am no longer visablly handicapped or anything I am treated awfully. I just a few weeks ago about a month before the end of the year succeeded in having a person actually talk to me so I guess that's a step up. I go back to Missouri as often as I can and am treated great. While being here I've made friends with people all over the place ca mn wi tx ny but still have no friends here. Don't move here. You'll regret it. That being said most of the teachers are phenomenal. So if you care about that more than your kids happiness and or sanity then by all means move here. Oh and that comment that says they aren't the stereotypical highschool I've heard that same thing from 10 different people. Word for word. I think that's a tad creepy. Also 100% false.

  • (4 years ago)

    I owe my life to Crystal Lake Central. I am a university student now happily on my way to graduating with honors and I owe it to CLC. The teachers the programs the whole spirit of the school taught me that school can be a home away from home. Crystal Lake Central will always be in my heart I can't wait to teach someday and do just what CLC did for me.

  • (5 years ago)

    Without a doubt the best highschool experience for me as a parent and my children. Tremendous attention to detail yet with the freedom to allow children to grow into adults. Great athletic and musical programs as well as a broad range of business science and math programs for kids to choose from. The parent and community support is unprecidented.

  • (5 years ago)

    I am a big fan of Crystal Lake Central High School. My oldest daughter has attended the school the last two years and has had nothing but a positive experience. They offer fantastic classes for them to choose from. Wonderful staff that helps the students and gets them involved. From the first time she stepped foot in the school back in 8th grade just to pick her classes she was excited to attend it. Great parent involvement. A real home town school !I'm so lucky to have her go to this school.

  • (5 years ago)

    We love Crystal Lake Central because our son loves it. His high school experience has been far more positive than anything his father or I ever experienced. There are so many opportunities for the kids at Central no matter where their interests and talents lie. If you want to be an involved student you can be! Plus it also says a lot that the teachers love to be there too. On parent night every single teacher we visited started off by telling us 'I have the best job in the world!' This shows the high level of involvement and dedication the teachers have toward the school and its students.

  • (5 years ago)

    It is not the stereotypical high school! We have virtually no cliques and each class is it's own big happy family. We all come together and have THE BEST spirit around without a doubt!

  • (5 years ago)

    Great teachers great programs great french classes great student body and great extracurricular activities.

  • (6 years ago)

    My daughters go to Crystal Lake Central High School and it is a wonderful school with great academics music and activities. I couldn't pick a better school for them to attend. There is a very warm and welcoming atmosphere at this school.

  • (6 years ago)

    CLC has an excellent curriculum mostly very qualified instructors reasonable disciplinary policies and loads of extra-curriculars. While CLC students may score slightly lower on standardized tests than those in neighboring high schools CLC has a very economically diverse population which the others do not. CLC does need some work in the areas of recognizing and dealing with learning disabilities and of teacher communication with parents. District 155 was extremely slow to put in place a system to permit parents to view their children's current progress online. Now that they finally have such a system they need to teach the teachers to use it and to require them to use it. My four children attended CLC; the last one graduated in 2008.

  • (6 years ago)

    My brother and step-sister graduated from here in 2005 and 2007 & thought it was the best school around.

  • (6 years ago)

    Currently I have 2 students attending CLC. This school has truely educated my children. It's not just the outstanding academics. It's the community behind this school that sets it apart. The parents the teachers and the students make this a school that accepts diversity and insists on involvement. CLC is a pillar of the Crystal Lake community having been in the community well before WWII. The legacy lives! Tiger Pride!

  • (6 years ago)

    Where's to start with Central? The students have much pride and the extracurricular activites are outstanding. Each student can feel comfortable here and lears a lot from the teachers. Each teacher gives attention to every student and helps them through their struggles. There are many AP classes aswell. CLC is honestly one of the best things that has happened to my 2 daughters and son and has prepared them well for college and their future life.

  • (7 years ago)

    Up with Central Pride! Outstanding isn't even a word that can start describing Central this school is absolutley outstanding. Incredible teachers and dedicated students are what make up this school.

  • (7 years ago)

    Crystal Lake Central is a phenomenal school! It encourages everyone to be themselves and provides all the proper resources for a student to achieve everything they are capable of. Tiger Pride is another fun part of central. IIT'S everywhere!!! and it's contagious!

  • (7 years ago)

    My two children graduated from clchs and both received an outstanding education had great friends wonderful experiences with sports and extracurricular activities. Both of them have done extremely well in college due to the great preparation they received in high school. This is an outstanding school with enormous Tiger spirit and pride!

  • (7 years ago)

    Most any central student will say they are proud to be a tiger and wouldn't have it any other way myself included. Central also has a very wide range of courses to take and so the education Ive recieved has been extremely interesting from working and car engines to taking photography class to engineering and still fitting in calculus and physics. Go TIGERS!

  • (7 years ago)

    Crystal Lake Central is a wonderful high school the teacher's are very dedicated to teaching and the students are very dedicated to learning. Overall Crystal Lake Central CLC is an outstanding school.

  • (7 years ago)

    This is our first year at CLC and we are thrilled with the staff the academics the athletics and the extra curricular activities. Our student loves going to school this year and is challenged by his teachers to learn each day. The pride of students is tremendous and shows throughout the school community. When I drop my student off school I am overwhelmed with the display of orange and black apparel going into the building. The students take great pride in their school and it shows.

See all reviews on GreatSchools

Overall score

(based on 26 ratings & reviews)

  • Teacher quality
  • Principal leadership
  • Parent involvement


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