Mater Dei High School

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Youth Camps In Full Swing! 

Monarchs at Machu Picchu

Lifetime Parents and grandparents, Dr. and Mrs. Grimes, recognized by Mr. Murphy for their contribution to the We Are MD Annual Fund

Congratulations Cameron Doan '20 on being named Miss Anaheim's Outstanding Teen

ASB Students at Leadership Camp in Lake Arrowhead Getting Ready for Next School Year

“Always Putting Our Best Foot Forward”

Our Students on the Notre Dame Vision Retreat

Construction on the parking structure has begun! 

MDHS Faculty at the Capstone Conference of the Science and Church Initiative

Notre Dame University

Student service trip to Peru

Helping the community of Luauina lay the foundation for their restaurant 

Congratulations to our 2018 Ring of Honor Inductees: 

Fr. Ed Poettgen '72, Mike Trotter '81, Leslie & John Widera & Dr. Robert Jackson '86

Sentinels of Freedom

Honoring nearly 450 Monarchs who have served our country and those seven who paid the ultimate sacrifice. We remember. We are grateful. 

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Founded in 1950 in Santa Ana, CA, Mater Dei is one of the country's largest Catholic college preparatory high schools and focuses on the holistic development of each student by providing opportunities for growth through leadership, spiritual development, outreach and extensive co-curricular programs.

2018-19 Important Dates Calendar

The Important Dates Calendar for the 2018-19 school year is now live. This document contains school start/end dates, all breaks and holidays, and other important dates for your planning purposes. Please note, dates are subject to change. The final school calendar will be made live on the MD website on 7/1/18.
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