Mullen High School

  • 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.

Top Placements

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

School Overview

School Membership(s)School Assoc.National Catholic Educational Association (NCEA)
National Association of College Admissions Counselors
Religious AffiliationRoman Catholic
Grades OfferedGrades 9-12
Year Founded1931

Student Body

Total Students802 students
Student Body Typen/a
% Students of Color
State avg.: 23%
Students by Grade Mullen High School Student By Grade

Academics and Faculty

Total Classroom Teachers57 teachers
Student : Teacher Ratio14:1
National avg.: 13:1
Number of AP Courses16 courses
Classroom Dress CodeCasual
(Dress code is enforced.)

Finances and Admission

Admission DeadlineDec. 19 / rolling
Yearly Tuition Cost$11,850
Tuition NotesIncludes the $400 registration fee.
% on Financial Aid
Admissions DirectorMr. Frank Cawley
Admissions AssociateMs. Lindsay Hooper


Total Sports Offered16 sports
SportsBaseball, Basketball, Cheering, Cross Country, Diving, Football, Golf, Ice Hockey, Lacrosse, Soccer, Softball, Swimming, Tennis, Track and Field, Volleyball, WrestlingBaseballBasketball,
CheeringCross Country,
GolfIce Hockey,
TennisTrack and Field,
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  • School Location Miles Grades Students
  • Denver
    Grades: 9-12 | 365 students
    9.3 miles
    458 Uinta Way
    Denver, CO 80230
    9.3 9-12
  • Englewood
    St. Mary's Academy
    St. Mary's Academy Photo - The St. Mary's Academy Pre-Kindergarten program is based in a specially designed co-ed PK classroom with a dedicated outdoor space. We offer authentic learning opportunities with highly acclaimed teachers who focus on the social-emotional development of students and teach using developmentally appropriate and research-based practices.
    (Roman Catholic)
    Grades: PK-12 | 674 students
    4.1 miles
    4545 South University Boulevard
    Englewood, CO 80113
    4.1 PK-12
  • Denver
    Grades: PK-12 | 913 students
    2 miles
    3800 S Pierce St
    Denver, CO 80235
    2 PK-12
  • Denver
    Grades: PK-12 | 555 students
    2.2 miles
    3898 S. Teller St.
    Denver, CO 80235
    2.2 PK-12
  • Aurora
    Grades: 9-12 | 956 students
    12.6 miles
    6400 S Lewiston Way
    Aurora, CO 80016
    12.6 9-12

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Did You Know?
The average private school tuition in Denver, CO is $10,600 for elementary schools and $10,317 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Denver, CO is 86% (read more about average acceptance rates across the country).