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.

All School Auction

Thank you for your support of the 2022 All School Auction. This year's event was the most successful in school history. We are so incredibly grateful!

auctionthankyou

Please enjoy a quick thank you video from our Auction Chairs, directors, principal, and president.

Marquee Sponsors

The Shiley Foundation

Checkpoint Communications

Presenting Sponsors

Farmers & Merchants Bank

Stephen G. & Regina Oswald Foundation

Vintage Sponsors

The Coffie Family

The Shuster Family

The Carolyn Siskin Gordon Family Foundation

Lou and Nancy Stremick

Vintner Sponsors

Allied Universal

Beacon Pointe Advisors, LLC

The Cable Family Foundation

The Prince/Hinckley Family

Merchants Building Maintenance, LLC

The Dana and Patrick Strader Family

The Zinn Family

Vigneron Sponsors

The Austin Company

The Brewster Family
FACTS Management Company
The Klingler Family

The Neglia Family

Debi & Tom Pavlik

The Russell Family

Jerry and Doniel Sutton

Faculty and Staff Sponsors

Harold Black and Family