For over 150 years, Assumption Catholic School has been a beacon of faith and learning in our community. Serving students from preschool through 8th grade, we provide a rigorous academic foundation in a nurturing, Christ-centered environment. At Assumption, students are encouraged to grow spiritually, intellectually, and emotionally—preparing them to live lives of purpose and leadership.
Mission
United in Christ and guided by the spirit of our Blessed Mother, Assumption School is rooted in the Gospel message of love and acceptance. In educating the whole person as they learn, love, and live Christ, we transform each student through the power of faith and knowledge, inspiring each to bring Christ to the world. Learning, Loving and Living Christ!
Purpose
Assumption School exists to ignite a passion for learning and a love for Christ. We believe in developing the whole child—mind, body, and spirit—so that every student is equipped with the tools to succeed academically, spiritually, and socially.
Quality
Our commitment to excellence is reflected in:
- Small class sizes that allow for individualized attention.
- Cutting-edge technology integrated into daily instruction.
- Strong academic outcomes, with students excelling in core subjects and consistently outperforming area schools.
- Faith formation is woven into every subject, helping students see God’s presence in all areas of life.
- Supportive services, including interventionists and specialists, ensure every learner is given the tools to succeed.
Dynamic Community
At Assumption, families are not just part of a school—they’re part of a faith community. From parish events to service opportunities, from parent volunteers to student-led initiatives, our community thrives on shared purpose and collective support. Together, we celebrate milestones, serve our neighbors, and grow in faith as one body of Christ.
Discover the Assumption difference—where faith and knowledge meet, and every child is known, loved, and inspired. Don’t hesitate, schedule a tour today!

Statistics
203 W. Third Street
O'Fallon, MO 63366
United States