Mullen High School | Private Catholic School in Denver, CO

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Experience Mullen

Mullen High School is a Lasallian, Catholic, college preparatory school conducted in the tradition of the Christian Brothers to give a human and Christian education to the young, especially the poor, as established in our five Lasallian Core Principles.

Inquire
The best way to experience our campus is through a personalized tour led by members of our admission team and student tour guides.
Visit
Please join us for an opportunity to tour our historical campus and facilities, meet faculty and students, and explore our curriculum and activities.
Apply
Learn about the application process and submit your application to be a Mustang today.

Around Campus

'Stangs to open '21-22 as normal
8/8/2021
By Neil H. Devlin, Mullen Sports Information Director

In the year after the pandemic, Mullen begins fall sports drills in earnest; Mustangs are eager to get back to a regular sports season.
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Kendall Chase in the front row ...
7/8/2021
By Neil H. Devlin, Mullen Sports Information Director

2012 Mullen graduate has withstood a long journey to make the U.S. Olympic Rowing team; 'Stangs' 1st Oly competitor since 2004 training in Hawaii before heading to Tokyo.
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Kelly Denzler Joins Mullen at Dean of Students
6/18/2021
by Patrick Motter

This week we had the pleasure of welcoming our new Dean of Students to campus. Mrs. Kelly Denzler joins us with strong ties to Denver, its Catholic community and the independent schools system here.
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Teachers are Angels Mural added to Sister Brendan Memorial Garden
6/14/2021
by Kate Gojkovich, Chief of Staff

On April 23, 2021 Mullen High School celebrated the official unveiling of “Visible Angels”, a mural by renowned Denver street artist and Mullen swim coach, Austin Zucchini-Fowler. In partnership with Mullen’s Development Department, the event was attended by donors and members of the Mullen Board of Trustees. The mural was designed to honor the incredible faculty and staff at Mullen High School.
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List of 4 events.

Oct

24

Open House
9:00 AM to 3:00 PM
Oct

31

Halloween
Nov

1

All Saints Day
Nov

2

All Souls' Day

View Calendar

Come Visit Us

Please join us for an opportunity to tour the campus and facilities, meet faculty and students, and explore our curriculum and activities. Families will discover the many benefits provided by a “Lasallian, Catholic, College-prep” education at Mullen.