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

Sep 1 Thu
- Color Guard Reheasal 3 PM – 6 PM (MD)
Sep 2 Fri
- 1st Home Game Potluck Tailgate and Halftime Show @ Santa Ana Bowl vs Mayfair 5 PM – 10 PM (Santa Ana Bowl (Corner of Civic Center and Flower in Santa Ana) )
Sep 7 Wed
- Marching Band/Percussion Rehearsal 3 PM – 6 PM (MD)
Sep 8 Thu
- Color Guard Reheasal 3 PM – 6 PM (MD)
Sep 9 Fri
- Home Game Halftime Show @ Santa Ana Bowl vs La Mirada 5:30 PM – 10 PM (Santa Ana Bowl (Corner of Civic Center and Flower in Santa Ana))
Sep 12 Mon
- All Marching Band & Colorguard Rehearsal 3 PM – 6 PM (MD)
Sep 14 Wed
- Marching Band/Percussion Rehearsal 3 PM – 6 PM (MD)
Sep 15 Thu
- Color Guard Reheasal 3 PM – 6 PM (MD)
Sep 16 Fri
- Home Game Halftime Show @ Santa Ana Bowl vs Upland 5:30 PM – 10 PM (Santa Ana Bowl corner of Civic Center and Flower)
Sep 19 Mon
- All Marching Band & Colorguard Rehearsal 3 PM – 6 PM (MD)
Sep 21 Wed
- Marching Band/Percussion Rehearsal 3 PM – 6 PM (MD)
Sep 22 Thu
- Color Guard Reheasal 3 PM – 6 PM (MD)
Sep 23 Fri
- Double Reeds Clinic with Mr. Brandon Smart 3 PM – 5 PM (MD)
- Pep Band Away Game vs Edison 5 PM – 10 PM (Edison High in Huntington Beach)
Sep 26 Mon
- All Marching Band & Colorguard Rehearsal 3 PM – 6 PM (MD)
Sep 28 Wed
- Marching Band/Percussion Rehearsal 3 PM – 6 PM (MD)
Sep 29 Thu
- Color Guard Reheasal 3 PM – 6 PM (MD)

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