Mater Dei High School

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The 2017-2018 Admissions Application is now available!!

Mater Dei High School is now accepting Freshman and Transfer applications for the 2017-2018 school year. Click below to get your application started!

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Our Patroness

Watching over the Grotto and the Sentinels of Freedom Memorial

Celebrating Family

32nd Annual Family Mass

September Monarchs of the Month:

Ethan Smiggs & Madeline Frank

New Scoreboard!

New Video Scoreboard on Joe O'Hara Field at Rod Dedeaux Baseball Complex is up.

Honoring Olympians

Congratulations Bret Bonanni '12, McQuin Baron '14, Thomas Dunstan '16 and Nirra Fields '12.

Fall Sports Mass

Beginning our season with blessings for coaches, captains and student-athletes.

Give. Love. Serve. 

We are MD!

Music Ministry

Providing a perfect soundtrack for Mass

Global Connections: MD's International Students

OC Chinese Catholic Association Celebrates 2nd Annual Chinese Mass at Christ Cathedral

Shared Faith - Shared Culture

Fr. Kiet Ta celebrates the Inaugural Vietnamese Students Mass at Christ Our Savior Parish

Mass of the Holy Spirit

Fr. Kiet Ta helped us kick off the 16-17 school year as a faith-filled family.

Grandparents Days 

Reserve your spot for our 2016-17 events at

Serving Each Other

Students have the opportunity to serve as Eucharistic Ministers and truly serve one another. 

Best of Luck to the Girls Golf Team

Fall Season is in full swing!

Serving Up a Great Season

Best of luck to Girls Tennis!

Training & Competing Like Champions!

Best of luck to our Cross Country Team

Ready for Football Season?

Get ready to Rock N Roll with the Monarchs!  

Chasing Another CIF Championship!

Best of luck to Boys Water Polo in their season

Good luck to our Girls Volleyball Team as they begin their season!

Ranked #1 in the Nation by USA Today:  Pre-season Varsity High School Girls Volleyball rankings

No Problems....Only Solutions. 

Our ASB Team's 16-17 motto was inspired by Facilities Team Member Victor Bautista. 

Mission Complete: 

Phase II of Field Turf Project 

Faith in Action:

Mater Dei offers all students the opportunity to grow in their faith each and every day.

Proud to be an Apple Distinguished School 

Since 2012 Mater Dei High School has been recognized for its innovation and leadership in educational technology.

Sentinels of Freedom

Honoring nearly 450 Monarchs who have served our country and those six 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.

Homecoming Tickets Now on Sale!

Homecoming tickets are on sale online until October 1. Get your tickets early to get a discount! Permission slips are due to the activities office by October 3.
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