About
Faith
Academics
- School Calendar
- Curriculum & Testing
Admissions
Activities
- Athletics (External Link)
- Extra and Co-curriculars

Catholic Identity & Curriculum

Stay Connected

Get news and updates in your email.

Thanks! We'll be in touch.

First Name

Last Name

Email

Quick Links for Parents

Diocese of Rockford
St. Thomas the Apostle Parish
FACTS
Dennis Uniform
Hot Lunch
SchoolSpeak
Nurse and Medical Forms
Marian Central High School

Get in Touch

265 King Street, Crystal Lake, IL 60014

hello@stthomascl.org

School Office Hours:

Monday – Thursday 7:15am – 3pm

Friday 7:15am – 2:30pm