
Our Mission and Vision
A commitment to a Quality Catholic Education,
By Living and Sharing the Gospel of Jesus Christ.
Students will grow in wisdom and knowledge with their faith inspiring them in all subjects.
Teachers will prepare their students for this world, always with a faithful eye on the next.
Parents will embrace the promises they made for their children at Baptism,
(to be the first and best teachers in the ways of the faith of Jesus Christ).
About Us
St. Thomas the Apostle Catholic School is a private, Roman Catholic PK-8th grade school in Crystal Lake, Illinois, United States. St. Thomas is located in the Roman Catholic Diocese of Rockford.
Our amazing programs include Spanish, Technology, Athletics, and many more!
Get started by checking out our preschool, kindergarten, or get to know our Faculty and Staff!

Upcoming Events
4 December
- 11:00 am – 11:30 am
- Fr. Linkenheld to visit 3rd Grade
5 December
- 1:00 pm – 1:30 pm
- Fr. Bob to Visit 3rd Grade
7 December
- 1:30 pm – 2:00 pm
- Fr. Linkenheld to visit 4th Grade
11 December
- 1:00 pm – 1:45 pm
- Fr. Linkenheld to visit 6th Grade
12 December
- 12:30 pm – 1:00 pm
- Fr. Fitzpatrick to visit Kindergarten
14 December
- 8:30 am – 9:15 am
- Fr. Fitzpatrick to visit preschool
News and Announcements
Welcome to Our New Website!
Welcome to our new website! We're excited to share more news and updates here soon!