Mater Dei High School
Forward in Vision, Rooted in Tradition

About MD
Mater Dei is a distinguished destination of excellence in academics and technology, the arts, faith and service, campus life, and athletics. We are proud to be Orange County’s oldest and largest Catholic high school.
Admissions
Your journey to becoming a Monarch starts here! Tour campus, schedule a shadow day, begin your application, and more. We are excited for you to join the MD family!
Programs
Built on Catholic fellowship and intellectual rigor, our programs in academics, technology, athletics, faith and service, and the arts provide unlimited opportunities for student success. Comprehensive counseling and wellness resources educate and bolster families throughout the high school journey.
Faith in Action
Guided by the articulation of Catholic Social Teachings, Mater Dei prioritizes the faith development of our students with an emphasis on Christian service. We believe this allows our students to grow in their spiritual lives while living our gospel values through giving back to others and truly experiencing the face of God.
Campus Life
Through avenues of leadership, faith, shared interests, and extracurricular activities and events, students can make Mater Dei their own. Get involved today!
Community
Tradition never graduates. Alumni, lifetime parents, grandparents, and friends are a vital and vibrant aspect of our community. Once a Monarch, always a Monarch.
Giving

Class of 2025

The Class of 2025 is ready to take their place in the proud legacy of Mater Dei alumni when they officially cross the stage at UCI's Bren Events Center on Saturday, May 31, 2025.

Rooted in Honor, Glory, and Love, these young men and women have spent the past four years growing as scholars, leaders, and disciples of Christ. Formed by a Catholic education and strengthened by our shared commitment to faith and service, they are prepared to go forth as faith-filled servant leaders who will be a light to the world.

This page celebrates remarkable Class of 2025—highlighting the journey, the voices of our graduates, and the sacred and joyful tradition that marks this meaningful rite of passage at Mater Dei High School.