Mullen High School

Mullen High School

Private High School | Grade 9-12
3601 S Lowell Blvd,  Denver, CO
4.2
4.0
755 Students
A
Niche Grade
Founded upon Lasallian Catholic traditions, Mullen High School is a private, college preparatory school in the community of Sheridan, southwest of Denver. Mullen originated in 1931 as a school for orphaned boys who both worked on what was its dairy farm, and attended classes. Eventually paying boarders and day students joined the orphans as students and the dairy farm ceased operations. When the last of its orphans graduated, the boarding section closed and the school became a college preparatory high school for boys. It was in 1989 when the school became co-educational and modernized its facilities to become the campus of today. 

Mullen students come from 87 different zip codes — with different passions and backgrounds — but all are taught to problem-solve, create, collaborate, reason and speak with clarity. At Mullen, the mission is to prepare students to succeed in college, and to engage with their whole hearts and minds to change the world. The school offers classes that challenge at every level including college prep, honors and advanced placement. A service-learning program also provides ways for students to put their faith into action by participating in community outreach programs. Mullen High School also offers 26 state-sanctioned sports for Mustangs boys and girls.

School Details

Head of School
Frank Cawley
Student Teacher Ratio
11:1
Average SAT Score
1260
Average ACT Score
28
Average GPA
3.63
Graduation Rate
100%
Annual Tuition
$19,300
Religious Affiliation
Catholic

Niche Grade

A
Academics
B+
Teachers
A
College Prep
A
Resources/Facilities
A
Clubs and Activities
A
Sports
Source: Niche
Niche Grades

Niche grades and rankings are calculated using dozens of public data sets and millions of reviews. Niche data scientists and user researchers rigorously analyze data and user opinions to assess the key aspects of K-12 Schools, Colleges, and Places to Live. Every month, millions of students and families use the Niche grades and report cards to find the right school or neighborhood.

Niche Grade Details

Academics
Average GPA
3.63
Teachers
Student Teacher Ratio
11:1
Teachers
68
Full Time Teachers
65
Part Time Teachers
3
Teachers in First or Second Year
15%
College Prep
Average SAT
1260
Math
630
Verbal
630
Average ACT
28
Math
26
English
28
Reading
29
Science
27
Four-Year Matriculation Rate
96%
Clubs and Activities
Girls Athletic Participation
Very High
Boys Athletic Participation
High

GreatSchools Rating Details

Student Diversity

White
76.6%
Hispanic
10.9%
Two or more races
4.7%
Asian or Pacific Islander
3.6%
Black
2.4%
Native American
1.1%
Native Hawaiian or Other Pacific Islander
<1%

School Rankings

#3 Best Catholic Schools in Colorado
#11 Best College Prep Private High Schools in Colorado
Source: Niche

Specialty School Programs

AP Programs Offered
IB Programs Offered
Athletics Program

Colleges Students are Considering

Students are most interested in or go on to attend these colleges.
University of Colorado Boulder 173 Students
Colorado State University 146 Students
University of Denver 74 Students
University of San Diego 57 Students
Regis University 56 Students
Colorado School of Mines 54 Students
University of Colorado Denver 46 Students
Creighton University 45 Students
University of Arizona 39 Students
Montana State University 39 Students

What Students Want to Study

Niche users from this school are most interested in the following majors.
Business 123 Students
Psychology 50 Students
Computer Science 48 Students
Biology 47 Students
Engineering 40 Students
Finance 35 Students
Pre-Medicine Studies 33 Students
Political Science and Government 32 Students
Nursing 29 Students
Marketing 24 Students

This School’s Reviews

Niche Reviews
4.2 123 Reviews
4.0 Junior
11/26/2024
It is very fun and engaging throughout all my experiences. I've been involved with many different clubs and they all were fun.
5.0 Works Here
5/25/2024
Everyone I encounter at Mullen is genuine and works hard for students and the community. Mullen seems to be have a place for everyone and tries to ensure that all students are seen and valued.
5.0 Parent
5/10/2024
I have a graduating senior and current sophomore. I can't say enough about Mullen's college application assistance. They helped guide our family through the college application process with expert knowledge, and full attention throughout. Both of my kids felt known by both staff and teachers. It is a welcoming, friendly learning environment.
GreatSchools Reviews
4.0 7 Reviews
2.0 other
8/12/2022
Graduated in 2020. Realized the depth of relationships after leaving the school. Administration is diverse in reviews. Some teachers were incredible, and really made the education worth it. Counselors cared and college counselors set Mullen’s college admissions apart. Administration is money hungry...
5.0 other
7/1/2022
I graduated with a 2.7 because I was young and dumb, but because of the stellar education, I now going into my senior year of college with a 3.88 and am aiming for the presidents list and graduating summa cum laude.
5.0 other
5/25/2017
Mullen was a life changing experience for me. The school provided me with the knowledge to succeed at college and be the success that I am today. The academic standards create an atmosphere of excellence and the inclusive culture creates an opportunity to be yourself. Priceless.
5.0 other
11/11/2015
Amazing college preparatory school. I had such a great experience attending. The teachers were always so helpful and caring. Post-college, I have reconnected with a few of my favorites and they still continue to offer knowledgable advice and career guidance.

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Mullen High School is a private Catholic school for students in grades 9-12 located at 3601 S Lowell Blvd in Denver, CO. Annual tuition is $19,300. The school has a total enrollment of 755 and maintains a student-teacher ratio of 11:1. Mullen High School has received feedback and ratings, with a Niche grade of A. The average GPA is 3.63, the graduation rate is 100%, and average standardized test scores include an SAT score of 1260 and an ACT score of 28. The average home value in this area is $571,845. Discover additional schools in the area, like Colorado Academy, Denver Christian School, Denver Waldorf School, and more. Learn more about what Denver has to offer, and browse homes for sale and for rent near Mullen High School.

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