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 1 Tue
- HOME MATCH VS EL DORADO 6 PM – 9 PM (6:00PM- FROSH SOPH MATCH (NORTH COURT) 6:00PM- JV MATCH (CENTER COURT) 7:00PM- VARSITY MATCH (CENTER COURT))
Mar 2 Wed
- Varsity Boys Volleyball Practice 3 PM – 5 PM (MAC- South)
- Frosh Soph Boys Volleyball Practice 5 PM – 7 PM (MAC- South Court)
- JV Boys Volleyball Practice 5 PM – 7 PM (MAC- Center Court)
Mar 3 Thu
- AWAY MATCH AT UNIVERSITY 3:30 PM – 5:30 PM (University HS (Irvine) JV and FS match @ 3:30PM Varsity match @ 4:30PM)
Mar 4 Fri
- JV Boys Volleyball Practice 3 PM – 5 PM (MAC- South)
- VARSITY REDONDO PRESEASON INVITATIONAL 3 PM (Redondo Union HS)
- Frosh Soph Boys Volleyball Christian Service Project 4:30 PM – 7 PM (Lighthouse Church and Outreach Ministries 1885 Anaheim Ave. Costa Mesa, CA 92626)
Mar 5 Sat
- JV FOOTHILL TOURNAMENT 8 AM (Foothill HS)
- VARSITY REDONDO PRESEASON INVITATIONAL 8 AM (Redondo Union HS)
Mar 7 Mon
- JV Boys Volleyball Practice 9 AM – 11 AM (MAC)
- Frosh Soph Boys Volleyball Practice 2 PM – 4 PM (MAC)
- Varsity Boys Volleyball Practice 5 PM – 7 PM (MAC)
Mar 8 Tue
- AWAY MATCH AT REDONDO UNION (Redondo Union High School Dismissal Time- 2:15PM Frosh Soph- 5PM Junior Varsity- 6PM Varsity- 7PM)
Mar 9 Wed
- Varsity Boys Volleyball Practice 3 PM – 5 PM (MAC- South)
- Frosh Soph Boys Volleyball Practice 5 PM – 7 PM (MAC- South)
- JV Boys Volleyball Practice 5 PM – 7 PM (MAC- Center Court)
- Strength & Conditioning 5 PM – 6 PM (Weight Room-VARSITY )
Mar 10 Thu
- Strength & Conditioning (BLOCK 5- Weight Room (Lower Levels Only))
- Frosh Soph Boys Volleyball Practice 3 PM – 5 PM (MAC-South)
- JV Boys Volleyball Practice 5 PM – 7 PM (MAC- North)
- Varsity Boys Volleyball Practice 5 PM – 7 PM (MAC- Center/South)
Mar 11 Fri
- VARSITY BEST OF THE WEST TOURNAMENT (San Diego Dismissal Time: 9:45AM First Match: 3PM)
- Frosh Soph Boys Volleyball Practice 2:40 PM – 5 PM (MAC- South)
- JV Boys Volleyball Christian Service Project 4:30 PM – 6:30 PM (Lighthouse Church and Outreach Ministries 1885 Anaheim Ave. Costa Mesa, CA 92626)
Mar 12 Sat
- VARSITY BEST OF THE WEST TOURNAMENT
- FROSH SOPH TESORO VOLLEYBALL TOURNAMENT 8 AM – 5 PM (Tesoro High School)
Mar 14 Mon
- Strength & Conditioning (BLOCK 5- Weight Room)
- Frosh Soph Boys Volleyball Practice 2:30 PM – 5 PM (MAC- South)
- Varsity Boys Volleyball Practice 4 PM – 6:30 PM (MAC- Center and South Court)
- JV Boys Volleyball Practice 5 PM – 7 PM (MAC-North)
Mar 15 Tue
- JV Boys Volleyball Practice 2:30 PM – 5 PM (MAC- South)
- Varsity Boys Volleyball Practice 2:30 PM – 5:30 PM (MAC- Center Court)
- Frosh Soph Boys Volleyball Practice 4 PM – 5:30 PM (MAC- North)
Mar 16 Wed
- Block 5 Meeting (Room 204)
- HOME MATCH VS LOS ALAMITOS (MAC FS- 6:00PM North Court JV- 6:00PM Center Court V- 7:00PM Center Court )
Mar 17 Thu
- Frosh Soph Boys Volleyball Practice 3 PM – 5 PM (MAC- South)
- Varsity Boys Volleyball Practice 3 PM – 5 PM (MAC- Center Court)
- JV Boys Volleyball Practice 5 PM – 7 PM (North Court)
Mar 18 Fri
- Block 5 Meeting (Room 204)
- JV Boys Volleyball Practice 2 PM – 4 PM (MAC- South)
- Frosh Soph Boys Volleyball Practice 2:30 PM – 4:30 PM (MAC- Center)
- VARSITY OC CHAMPIONSHIPS TOURNAMENT 3:30 PM (Dismissal at 1:30PM)
Mar 19 Sat
- FROSH SOPH UNIVERSITY TOURNAMENT 8 AM (University High School)
- JV TUSTIN TOURNAMENT 8 AM (Tustin High School)
- VARSITY OC CHAMPIONSHIPS TOURNAMENT 8 AM
Mar 21 Mon
- Frosh Soph Boys Volleyball Practice 3 PM – 5 PM (MAC- South Court)
- JV Boys Volleyball Practice 3 PM – 5 PM (MAC- Center)
- Varsity Boys Volleyball Practice 5 PM – 7 PM (MAC)
Mar 22 Tue
- Frosh Soph Boys Volleyball Practice 2:30 PM – 4:30 PM (MAC- North Court)
- JV Boys Volleyball Practice 2:30 PM – 4:30 PM (MAC- South)
- Varsity Boys Volleyball Practice 2:30 PM – 4:30 PM (MAC Center)
Mar 23 Wed
- HOME MATCH VS SERVITE (MAC)
Mar 24 Thu
- No Practice
- Nutrition Seminar (Block 5- Weight Room)
- Varsity Boys Volleyball Practice 10 AM – 12 PM (MAC)
Mar 25 Fri
- No Practice
Mar 28 Mon
- No Practice
Mar 29 Tue
- JV Boys Volleyball Practice 8 AM – 10 AM (MAC)
- Frosh Soph Boys Volleyball Practice 1 PM – 3 PM (MAC)
- Varsity Boys Volleyball Practice 4 PM – 6 PM (MAC)
Mar 30 Wed
- JV Boys Volleyball Practice 8 AM – 10 AM (MAC)
- Varsity Boys Volleyball Practice 10 AM – 12 PM (MAC)
- Strength & Conditioning 12 PM – 1 PM (Weight Room)
- Frosh Soph Boys Volleyball Practice 1 PM – 3 PM (MAC)
Mar 31 Thu
- JV Boys Volleyball Practice 8 AM – 10 AM (MAC)
- Frosh Soph Boys Volleyball Practice 1 PM – 3 PM (MAC)
- Varsity Boys Volleyball Practice 4 PM – 6 PM (MAC)

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