Mullen High School, home of the Mustangs, is a private Catholic college-preparatory school located in Denver, Colorado. Rooted in the Lasallian tradition of St. John Baptist de La Salle and the Brothers of the Christian Schools, Mullen provides an inclusive and mission-driven education designed to inspire academic excellence, personal growth, and community service. The school, which serves around 750 students, boasts a historic campus established in 1931. With 27 varsity sports and numerous extracurricular activities, Mullen offers a well-rounded environment that emphasizes spiritual, intellectual, and physical development. Its graduates are known for their commitment to faith, service, and the lifelong pursuit of learning.