You Belong!

Principal's Welcome Schedule a Meet Visit Us Giving

Be a Cyclone!

Are you ready to explore all the possibilities SICS has in store for your student? Ready to become the newest member of the Cyclone family? Click the link that best suits you and a member of our team will be in touch on next steps.

Schedule a Meet Ready to Enroll

Events & News

Join our Parish and School Community

For a very special Mother’s Day Mass. At 10am on May 11th together, we will honor and crown our blessed Mother, Queen of May.

Invitation to High School Teens

Steubenville Youth Conference is coming to Lisle, IL! Join hundreds of other teens for three days of amazing speakers, opportunities for worship, adoration, confession, and fellowship. Click and download the flyer to learn more.

CLICK HERE to learn more

For the 2nd Year in a Row

St. Isidore joins a select number of other Showcase Schools that Microsoft recognizes as an elite group of high performing schools who exemplify the best of teaching, learning, and leading in the world today.

You Belong!

At St. Isidore Catholic School, our students, families, faculty and staff truly become one family; EVERYONE belongs!

Apply Today

We are thrilled that you have chosen to make St. Isidore Catholic School your home! Find out more about enrollment by clicking below.

Enrollment Information

Photo Gallery

Glow Run Celebration

Food & Fellowship, April 2025

Family Bingo Night, 4.26.25