St. Thomas the Apostle Catholic School

265 King St; Crystal Lake, IL 60014









We welcome you and your family to the website of St. Thomas the Apostle Catholic School.

The school family of St. Thomas the Apostle Catholic School in Crystal Lake, Illinois provides a faith formation and academic excellence for all students desiring a Catholic elementary education. The uniqueness of each child is developed and celebrated within an environment where God can be encountered. By teaching and modeling Gospel values, we enable our students to become socially responsible leaders of the Third Millennium.


If you are a prospective family and looking to find out more about how we live our Catholic Faith, our wonderful academics, our exciting extra curricular activities, our unique Fair Ability tuition program, our bountiful preschool, and so much more, click on the Prospective Family tab at the left.


If you are already part of the St. Thomas family, please click on any of the tabs at the left to find the same easy access to information that provides for excellent parent/school communication!


For New Family Tours and General Information please contact:

Principal Deanne Roy

Phone: 815-459-0496







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