Crystal Lake Central High School

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Welcome Back

The first day of school is Wednesday, August 12, 2026.

Welcome Back

The first day of school is Wednesday, August 12, 2026.

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Upcoming Events

View the full calendar to see all the exciting events we have happening in the next few weeks and months!

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A group of students pose at the color toss event.

Current Families

We partner with families to support their students’ educational journey, ensuring students enter with promise and leave with purpose.

Parent and Guardian Resources

Prospective family at distribution day

New Families

We foster belonging, strong relationships, and provide relevant, engaging coursework so every student feels known, supported, and challenged.

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Latest News

Stay up to date on exciting news, events and more with the ParentSquare app!

July 22, 2026

Crystal Lake Central Back-to-School Guide 2026-27

Back-to-School Guide Crystal Lake Central High School Welcome, Tigers! Welcome to the 2026–2027 school year! This guide will help you and your student start the year off right as we prepare to welc...

July 21, 2026

The Next Chapter of Central Tradition Begins

A District Investment. A Community Legacy. Help Us Reach Our Community Goal For more than a century, Crystal Lake Central High School has been a place where traditions run deep, legacies are built,...

Healthcare professional speaking with students

April 17, 2026

D155 Holds First Healthcare Careers in Under Four Years Panel

Over 100 students across all four schools interested in health careers attended to listen to a panel of health professionals about their careers

Lily Floeter working with a student musician

April 13, 2026

Cary-Grove Hosts Chamber Music Event for D155 Musicians

Cary-Grove hosted musicians across all D155 schools for a chamber music event with guest group Ravenswood Winds, led by 2005 Cary-Grove graduate Lily Floeter.

CLC students holding recognition with D155 Administration

April 1, 2026

CLC ACES Students Finish in Top Three at State Finals

The Crystal Lake Central ACES team had a strong finish to their season with senior Alayna Verzal winning the state championship in biology, while junior Shane Coffey took third place in math.

Students getting heads shaved for St. Baldrick's Foundation

March 20, 2026

CLC Hosts St. Baldrick's Fundraiser

Twelve Crystal Lake Central students and staff shaved their heads at an assembly to raise money for the St. Baldrick’s Foundation.

February 26, 2026

CLC Students Debate Global Issues at Model UN Conference in Chicago

Thirty-four Crystal Lake Central students participated in a Model UN conference in Chicago.

February 23, 2026

D155’s Dr. Lesinski Named Superintendent of Distinction

Dr. Neil Lesinski, superintendent of Community High School District 155, has been named the 2026 Superintendent of Distinction by the Kishwaukee Region of the Illinois Association of School Adminis...

CLC at a Glance

2024-2025 Annual Report (English)

Informe Anual 2024-2025 (Español)

School Information

92%

Graduation Rate

#1

District in McHenry County

225+

Courses Offered

37

Dual Credit Offerings

$2.1M

Scholarships Earned by Class of 2026

#1

Best Teachers in McHenry County

81%

Teachers w/ Master's Degree or Higher

200+

Sports & Extracurricular Activities Offered

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Welcome Back

Welcome Back

Upcoming Events

Latest News

Crystal Lake Central Back-to-School Guide 2026-27

The Next Chapter of Central Tradition Begins

D155 Holds First Healthcare Careers in Under Four Years Panel

Cary-Grove Hosts Chamber Music Event for D155 Musicians

CLC ACES Students Finish in Top Three at State Finals

CLC Hosts St. Baldrick's Fundraiser

CLC Students Debate Global Issues at Model UN Conference in Chicago

D155’s Dr. Lesinski Named Superintendent of Distinction

92%

#1

225+

37

$2.1M

#1

81%

200+