Mater Dei High School

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Students eclipse gazing with their special glasses and pinhole cameras

Class of 2021 Freshman Dance! 


Thank you everyone for a beautiful Mass to start the year

Welcome back Monarchs! Happy 1st day of school!

Mater Dei students representing California at the National Lacrosse Classic

Andrew  Juliusson, Zach Torres, Sean Waterman, Ryan Binford

Thank you to song, cheer, band and color guard for welcoming us back to school!

Sophomores attending the LMU Youth Technology Institute 

Incoming freshman learning the Alma Mater

Amazing Mater Dei teachers at the science and religion seminar at Notre Dame 

Welcome the amazing new freshman Class for their orientation!

Outstanding freshamn ASB officers at the welcome back picnic! 

Excited to welcome our new international students for the 2017-2018 year

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.

Family Mass and Reception: Sunday, September 17, 2017

We invite you and your family to come celebrate in this Mater Dei Tradition. A wonderful way to start the 2017-18 school year! Please join us for mass at 9:00am, followed by a reception of doughnuts and coffee in our LeVecke Center and Shamrock Plaza. Make sure you stop by to see our programs and team expo!
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