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

May 1 Fri
- All Groups Swim Workout 3 PM – 4:30 PM (Pool)
May 4 Mon
- All Groups Swim Workout 3 PM – 4 PM (Pool)
- Varsity Team Dinner 5 PM – 6 PM (Spaghetti Factory, NB)
May 5 Tue
- Boys Swim Workout 3 PM – 4 PM (Pool)
- League Prelims (Girls) 3 PM – 5:30 PM (TBA)
May 6 Wed
- Mass - Upper & Lower Lunch (Must Attend Every Week) 10:45 AM – 1 PM
- Girls Swim Workout 3 PM – 4 PM (Pool)
- League Prelims (Boys) 3 PM – 5:30 PM
May 7 Thu
- Meet Warm Up (Those swimming in Finals) 3 PM – 4 PM (Pool)
May 8 Fri
- Trinity League Coed Finals 2 PM – 7 PM (TBA)
May 11 Mon
- CIF Swim Workout 3 PM – 4 PM (Pool)
May 12 Tue
- CIF Swim Workout 3 PM – 4 PM (Pool)
May 13 Wed
- CIF Swim Workout 3 PM – 4 PM (Pool)
May 14 Thu
- CIF D1 Prelims 9 AM – 12 PM (Riverside Community College)
May 15 Fri
- CIF Swim Workout 3 PM – 4 PM (Pool)
May 16 Sat
- CIF D1 Finals 5 PM – 7 PM (Riverside Community College)
May 22 Fri
- State Championships (Clovis West High School)
May 23 Sat
- State Championships (Clovis West High School)

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