Mater Dei High School

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.
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
- Students
- Parents
- Faculty
- Alumni
- Grandparents
- Videos
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
Behind every achievement, success, and championship, stand the alumni, parents, faculty, staff, and friends who fortify our future. We invite you to support MD in a variety of ways with a gift that is meaningful to you.

News & Announcements

2021-22 Important Dates Calendar

Revised as of 1/13/2022

New President Named for Mater Dei

Mr. Michael P. Brennan has been appointed as Mater Dei's New President.

Investigations Law Firm Selected - 12/8/21

Communication from Bishops and Superintendent - 12/7/21

Please read this important update from the Diocese of Orange.

Update From Father Walter Jenkins - 11/30/2021

A Message from President Father Walter Jenkins

24 MD Student- Athletes Sign National Letter of Intent

Congratulations and commendations on your hard work and dedication!

November Monarchs of the Month

Ready, Set, Bid!

The silent auction is now open for bidding!

21-22 Back to School Information

Welcome to the 2021-2022 school year! Follow this link for all the info you need to be prepared for the upcoming school year.

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