The school has four computer labs, media studio, theater, college/career center, yearbook/newspaper production labs, child development department, business-regulated curriculum, off-school campus medical education facilities and extensive athletic facilities.
Desert Mountain offers students the choice of standard, honors, Advanced Placement and International Baccalaureate classes.
It is a member of the National Association for College Admission Counseling and complies with the NACAC Statement of Principles of Good Practice.
Desert Mountain is also one of the few SUSD schools that has an active International Baccalaureate (IB) program for students to join.
Desert Mountain's DMHS Players was the only Arizona high school drama club invited to perform at the world's largest arts festival, the 2009 Edinburgh Fringe in Scotland, nominated for their production of Urinetown: The Musical.
In 2003, the DMHS Players' production of "The Winter's Tale" competed at the International Thespian Society's state competition and took 1st Place.
It then received the honor of being chosen as one of only 10 plays in the USA to compete at the International Thespian Society's National competition in Lincoln, Nebraska in 2004.
[citation needed] Desert Mountain's Marching Band was invited to perform in the 2019 London New Year's Day Parade.
[citation needed] After a post-pandemic hiatus, the band was invited again to perform in the 2025 London New Year's Day Parade.
In 2015 the Science Olympiad team won first place and moved onto to represent Arizona in the national competition in Lincoln, Nebraska.