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
- JV Boys Volleyball Practice 12 PM – 2 PM (MAC- South Court)
- Frosh Soph Boys Volleyball Practice 4 PM – 6 PM (MAC North Court)
- Varsity Boys Volleyball Practice 4 PM – 6 PM (MAC South and Center)
- Strength & Conditioning 6 PM – 7 PM (Weight Room)
Mar 3 Tue
- JV and Frosh Soph Boys Volleyball Practice 2:45 PM – 5 PM (MAC South Court)
- Varsity Boys Volleyball Practice 3:30 PM – 5 PM (MAC Center Court)
Mar 4 Wed
- Upper/Lower Lunch Mass (Chapel Annex)
- HOME MATCH VS CANYON 6 PM – 9 PM
Mar 5 Thu
- JV Boys Volleyball Practice 2:30 PM – 5 PM (MAC South Court)
- Frosh Soph Boys Volleyball Practice 5 PM – 7 PM (MAC North Court)
- Varsity Boys Volleyball Practice 5 PM – 7 PM (MAC Center and South Court)
Mar 6 Fri
- Varsity Boys Volleyball Practice 2:30 PM – 5 PM (MAC South Court)
- Frosh Soph Boys Volleyball Practice 5 PM – 7 PM (MAC North)
- JV Boys Volleyball Practice 5 PM – 7 PM (MAC South Court)
Mar 7 Sat
- TOURNAMENT DAY- ALL LEVELS 8 AM – 5 PM (Tustin HS- Varsity Foothill HS- JV Newport Harbor HS- FS)
Mar 9 Mon
- JV Boys Volleyball Practice 2:30 PM – 5 PM (MAC South Court)
- Frosh Soph Boys Volleyball Practice 5 PM – 7 PM (MAC North Court)
- Varsity Boys Volleyball Practice 5 PM – 7 PM (MAC South and Center Court)
Mar 10 Tue
- HOME MATCH VS REDONDO UNION 6 PM – 9 PM
Mar 11 Wed
- Upper/Lower Lunch Mass (Chapel Annex)
- JV Boys Volleyball Practice 2:45 PM – 4:30 PM (MAC South Court)
- Varsity Boys Volleyball Practice 4:30 PM – 6:30 PM (MAC South and Meruelo Court)
- Frosh Soph Boys Volleyball Practice 5 PM – 7 PM (MAC North Court)
- Strength & Conditioning 6:30 PM – 7:30 PM (Weight Room)
Mar 12 Thu
- JV Boys Volleyball Practice 11 AM – 1 PM (MAC South)
- Frosh Soph Boys Volleyball Practice 4 PM – 6 PM (MAC North Court)
- Varsity Boys Volleyball Practice 4 PM – 6 PM (MAC South and Meruelo Court)
Mar 13 Fri
- JV Boys Volleyball Practice 11 AM – 1 PM (MAC North and Meruelo Court)
- FS MATCH AT PACIFICA 3:15 PM – 4:45 PM (Pacifica HS Garden Grove)
- VARSITY FOOTHILL TOURNAMENT 3:30 PM – 8 PM (Foothill HS)
- JV Boys Volleyball Christian Service Project 4:30 PM – 7 PM (The Lighthouse Church and Outreach Ministries 1885 Anaheim Ave. Costa Mesa, CA 92626)
Mar 14 Sat
- VARSITY FOOTHILL TOURNAMENT 7 AM – 5 PM (Foothill HS)
Mar 16 Mon
- JV Boys Volleyball Practice 2:45 PM – 5 PM (MAC South)
- Frosh Soph Boys Volleyball Practice 5 PM – 7 PM (MAC North Court)
- Varsity Boys Volleyball Practice 5 PM – 7 PM (MAC South Court)
Mar 17 Tue
- AWAY MATCH AT UNIVERSITY 4 PM – 7 PM (University High School JV and FS @ 4pm Varsity @ 5pm)
Mar 18 Wed
- Upper/Lower Lunch Mass (Chapel Annex)
- JV Boys Volleyball Practice 2:45 PM – 5 PM (MAC South Court)
- Frosh Soph Boys Volleyball Practice 5 PM – 7 PM (MAC North Court)
- Varsity Boys Volleyball Practice 5 PM – 7 PM (MAC South and Center)
Mar 19 Thu
- Frosh Soph Boys Volleyball Practice 2:45 PM – 5 PM (MAC South)
- AWAY MATCH AT BISHOP AMAT 5 PM – 7 PM (Bishop Amat High La Puente NO FROSH SOPH JV @ 5pm Varsity @ 6pm)
Mar 20 Fri
- OC CHAMPIONSHIPS- VARSITY
- JV Boys Volleyball Practice 2:45 PM – 5 PM (MAC South)
- Frosh Soph Boys Volleyball Christian Service Project 4:30 PM – 7 PM (The Lighthouse Church and Outreach Ministries 1885 Anaheim Ave. Costa Mesa, CA 92626)
Mar 21 Sat
- OC CHAMPIONSHIPS- VARSITY
Mar 23 Mon
- JV Boys Volleyball Practice 2:45 PM – 5 PM (MAC South)
- Varsity Boys Volleyball Practice 4:30 PM – 6:30 PM (MAC Center and South)
- Frosh Soph Boys Volleyball Practice 5 PM – 7 PM (MAC North)
Mar 24 Tue
- HOME MATCH VS JSERRA 3:30 PM – 8 PM (Meruelo Athletic Center)
Mar 25 Wed
- Upper/Lower Lunch Mass (Chapel Annex)
- JV Boys Volleyball Practice 2:45 PM – 5 PM (MAC South)
- Frosh Soph Boys Volleyball Practice 5 PM – 7 PM (MAC North)
- Varsity Boys Volleyball Practice 5 PM – 7 PM (MAC South and Center Courts)
Mar 26 Thu
- AWAY MATCH AT SANTA MARGARITA 3:30 PM – 8 PM (Dismissal at 1:15pm)
Mar 27 Fri
- JV Boys Volleyball Practice 2:45 PM – 5 PM (MAC North)
- Varsity Boys Volleyball Practice 4 PM – 6 PM (MAC South and Center)
- Frosh Soph Boys Volleyball Practice 5 PM – 7 PM (MAC North)
- Strength & Conditioning 6 PM – 7 PM (Weight Room)
Mar 30 Mon
- JV Boys Volleyball Practice 2:30 PM – 5 PM (MAC- South Court)
- Frosh Soph Boys Volleyball Practice 3 PM – 5 PM (MAC- North)
- Varsity Boys Volleyball Practice 4 PM – 6 PM (MAC- Center Court)
Mar 31 Tue
- HOME MATCH VS ORANGE LUTHERAN 3:30 PM – 8 PM (Meruelo Athletic Center)

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