Building Foundations for a Lifetime

St. John XXIII Catholic School (SJ23) provides a foundation of Catholic values and academic excellence for its students in preschool through 8th grade. Our faculty and staff is dedicated to building a strong academic, social, emotional, and spiritual foundation for our students.

SJ23’s teachers actively engage and inspire diverse learning styles so every student reaches his or her potential while at SJ23 and beyond. We are growing as saints together through service, excellence, discipleship, and community.

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This school shaped who I am today. It helped shape my personal set of morals and values, which guide my decision making today, and encourage me to make a difference in the world.
-Ben Schueller ‘11
Catholic Schools Week 2017

WHY A CATHOLIC SCHOOL?

We are proud to provide challenging academics and a faith-based education for students in preschool through 8th grade! See why you should choose a Catholic School.

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Schedule a Tour at St. John XXIII Catholic School

Schedule a Shadow Day

Your child can get a feeling for St. John XXIII by shadowing a student for a few hours or a full day. You can also schedule a tour at any time; parents are welcome, too!

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NEW FINANCIAL SCHOLARSHIPS

Apply for financial scholarships for SJ23 or any Catholic high school in Milwaukee County through the Lawrence N. Stern and Mary Jane Stern Scholarship Trust.

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