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

Class of 1970

Welcome Back Class of 1970!

The MDHS Class of 1970 55 Year Reunion will take place on October 11, 2025.

It's time to gather once again! Join your fellow classmates from the unforgettable Class of 1970 as we celebrate 55 years since graduation - a milestone filled with stories, laughter, and the joy of reconnecting.

PLEASE JOIN US ON

SATURDAY OCTOBER 11TH

LOCATION: MATER DEI HIGH SCHOOL LEVECKE CENTER

1202 West Edinger Ave.

Santa Ana, CA 92707

EVENT TIMELINE:

4:30 PM: MASS

5:00 PM: CAMPUS TOURS

5:00 PM: REUNION FESTIVITIES

CLICK HERE TO REGISTER TODAY!

If you have a REUNION CREDIT from the 50 Year Reunion and you plan on attending,

please RSVP through the registration page.

Continue to stay in touch through Facebook. The MDHS Class of 1970 page is private, just send a request to join. All ladies, please include your maiden names. We found that there are several MD high schools across the US.

If you do not currently receive information from the MDHS Alumni Office, please contact Danielle Hill '01 to update your contact information. [email protected] or (714) 668-1331