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

Mar 2 Mon
- Novice Swim Workout 9 AM – 10:30 AM (Pool)
- Red/Grey/White Swim Workouts 9 AM – 11 AM (Pool)
Mar 3 Tue
- MD @ Northwood 3:15 PM – 6:30 PM (Northwood High School)
Mar 4 Wed
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
- Red/Grey/White Wweights 5 PM – 6 PM (Weight Room)
Mar 5 Thu
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
Mar 6 Fri
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
- Red/Grey/White Wweights 5 PM – 6 PM (Weight Room)
Mar 7 Sat
- Los Amigos Coed Relays 9 AM – 11 AM (Los Amigos High School)
Mar 9 Mon
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
- Red/Grey/White Weights 5 PM – 6 PM (Weight Room)
Mar 10 Tue
- MD @ Irvine 3 PM – 6 PM (Woollett Aquatic Center)
Mar 11 Wed
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
- Red/Grey/White Weights 5 PM – 6 PM (Weight Room)
Mar 12 Thu
- Red/Grey/White Swim Workout 9 AM – 11 AM (Pool)
Mar 13 Fri
- Red/Grey/White Weights 9 AM – 10 AM (Weight Room)
- Red/Grey/White Swim Workout 10 AM – 11:30 AM (Pool)
Mar 16 Mon
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
- Red/Grey/White Weights 5 PM – 6 PM (Weight Room)
Mar 17 Tue
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
- Red/Grey/White Weights 5 PM – 6 PM (Weight Room)
Mar 18 Wed
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
- Red/Grey/White Weights 5 PM – 6 PM (Weight Room)
Mar 19 Thu
- Boys Southern Section Relays 3 PM – 5 PM (Los Alamitos Naval Base)
- Swim Workout 3 PM – 4:30 PM (Pool)
Mar 20 Fri
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- Relay Meet Warmup (Select Group) 3 PM – 4 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
Mar 21 Sat
- Boys Southern Section Relays 5 PM – 7 PM (Los Alamitos Naval Base)
Mar 23 Mon
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
- Red/Grey/White Weights 5 PM – 6 PM (Weight Room)
Mar 24 Tue
- Girls Southern Section Relays 3 PM – 5 PM (Los Alamitos Naval Base)
- Swim Workout (All those not in Relay Meet) 3 PM – 4:30 PM (Pool)
Mar 25 Wed
- Mass - Upper & Lower Lunch (Must Attend Every Week) 10:45 AM – 1 PM
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
- Red/Grey/White Weights 5 PM – 6 PM (Weight Room)
Mar 26 Thu
- MD @ JSerra 3:15 PM – 6:30 PM (JSerra High School)
Mar 27 Fri
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
- Red/Grey/White Weights 5 PM – 6 PM (Weight Room)
Mar 28 Sat
- Girls Southern Section Relays 5 PM – 7 PM (Los Alamitos Naval Base)
Mar 30 Mon
- Red/Grey Swim Workout 3 PM – 5 PM (Pool)
- White Swim Workout 3 PM – 4:30 PM (Pool)
- Weights 5 PM – 6 PM (Weight Room)
Mar 31 Tue
- Team Pictures (Everyone in Program) 3 PM – 4 PM (Pool Deck)
- Meet Warm Up (All Groups) 4 PM – 5 PM (Pool)

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