St. Mary's South Side Catholic High School St. Louis, MO

At St. Mary’s South Side Catholic, we combine our Marianist values with a forward-thinking, research-based education that prepares young men to be future ready — for college, careers, and life.

Our innovative approach meets students where they are, supporting a wide range of learning styles and strengths. With the guidance of expert faculty and the support of their families, students grow academically, spiritually, and personally. They develop strong character, emotional intelligence, and a deep sense of purpose rooted in faith and service.

Recognized by Cognia for academic excellence and continuous improvement, St. Mary’s empowers students to thrive in a rapidly changing world — and to make a difference in both the local and global community.

Come see how St. Mary’s can help you become future ready.

Mrs. Valerie Todd

Principal

toddv@stmaryshs.com

Mission

Rooted in the Marianist spirit, St. Mary's South Side Catholic High School forms all young men as leaders in a brotherhood of unity, empathy, dignity, and respect to uplift our neighborhood, community, and world.

Purpose

Opportunities for spiritual growth rooted in the Catholic Marianist spirit are woven throughout every aspect of the St. Mary’s SSC educational experience. Through prayer, sacraments, and worship, we invite the school community into reflection and celebration of their relationship with God. Our four-year retreat program, Dragon FIRE Service Program, and religion curriculum all provide meaningful opportunities for students to deepen their connection with themselves, others, and God.

Quality

We deliver a high-quality, future-ready education tailored to a wide range of skills and intelligences. Our experienced and dedicated faculty use proven strategies and innovative technologies to help students grow—academically, emotionally, and spiritually. We offer diverse pathways to success, including a robust pre-apprenticeship program that prepares students for skilled trades and workforce opportunities after graduation. Recognized by Cognia for our academic excellence and commitment to continuous improvement, we empower young men to lead with character, embrace diverse perspectives, and serve their communities. Discover a place where your student can thrive—discover St. Mary’s.

Dynamic Community

St. Mary’s South Side Catholic is more than a school—it’s an anchor deeply rooted in the Marianist spirit and the heart of St. Louis. As a beacon of hope and progress for our region, we believe every student is a child of God with unique gifts waiting to be realized. In our inclusive and vibrant environment, diversity, self-discovery, and lifelong learning are embraced. Here, young men grow not only in knowledge but in faith, character, and purpose. Our Marianist community is committed to forming responsible leaders who embody the love of Christ and contribute meaningfully to both the St. Louis region and the world.

Statistics

The staff averages 14 years of teaching experience, and more than 78% have earned advanced degrees. Our teachers have been featured in books and have won numerous awards.

48% of the student body are minority students, the highest percent of all-male private schools. Students come from over 70 different elementary schools including Catholic, Lutheran, Private and Public schools and from over 30 different zip codes.