Mullen High School is a private, co-educational school in southwest Denver which provides a Catholic, college-prep curriculum since 1931. Our Lasallian philosophy of educating is dedicated to exemplary teaching, scholastic rigor and outstanding care for all students.

Quick Stats (2021-22)

  • Top Ranked CO School
  • Grades: 9-12
  • Students: 850 students
  • Yearly Tuition: $15,900
  • Application Deadline: Dec. 19 / rolling

Top Rankings

Mullen High School ranks among the top 20% of private schools in Colorado for:

Category
Attribute
Sports offered
School History

School Overview

Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
1931

Student Body

Total Students
850 students
Student Body Type
Co-ed
% Students of Color
26%
State avg.: 25%
Students by Grade
Mullen High School Student By Grade

Academics and Faculty

Total Classroom Teachers
58 teachers
Student : Teacher Ratio
15:1
National avg.: 13:1
Number of AP Courses
16 courses
Classroom Dress Code
Casual
(Dress code is enforced.)

Tuition and Acceptance Rate

Admission Deadline
Dec. 19 / rolling
Yearly Tuition Cost
Tuition Notes
Includes the $400 registration fee.
% on Financial Aid
28%
Admissions Director
Mr. Frank Cawley

Sports

School Reviews

5  
Mullen High School has been doing an incredible job accommodating the students and teachers during the COVID 19 pandemic. It has been tough, but I appreciate the work they are doing to keep us safe and bringing our community back together.
- Posted by

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Quick Stats (2021-22)

  • Top Ranked CO School
  • Grades: 9-12
  • Students: 850 students
  • Yearly Tuition: $15,900
  • Application Deadline: Dec. 19 / rolling

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Did You Know?

The average private school tuition in Denver, CO is $13,368 for elementary schools and $16,143 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Denver, CO is 87% (read more about average acceptance rates across the country).

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