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

Events

Oct 2 Mon
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)
Oct 4 Wed
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)
Oct 6 Fri
- Pep Band Away vs Santa Margarita 4:30 PM – 10:30 PM (Saddleback College)
Oct 7 Sat
- Tustin Tiller Days Parade 7 AM – 1 PM
Oct 9 Mon
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)
Oct 11 Wed
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)
Oct 12 Thu
- Guitar Lunch Performance (Shamrock Plaza)
Oct 13 Fri
- Away Game vs St. John Bosco 4 PM – 11 PM (TBA)
Oct 16 Mon
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)
Oct 18 Wed
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)
Oct 20 Fri
- 3rd Home Game vs JSerra 4:45 PM – 10 PM (Santa Ana Bowl (Civic Center and Flower))
Oct 21 Sat
- Marching Band & Color Guard Capistrano Valley HS Competition
Oct 25 Wed
- Marching Band & Color Guard Mayfair HS Competition
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)
Oct 26 Thu
- Marching Band & Color Guard at Info Night 5 PM – 8 PM (MD)
Oct 27 Fri
- 4th Homegame vs Orange Lutheran 5:15 PM – 10:30 PM (Santa Ana Bowl)
Oct 28 Sat
- Instrumental Music Fall Concert 6 PM – 8:30 PM (MD)
Oct 30 Mon
- Marching Band & Color Guard Rehearsals 4 PM – 7 PM (MD)

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