In its very first year, classes were held at Pine Junior High School (now McAuliffe Middle), and only sophomores attended.

This allowed them to choose from scheduled sessions of their classes for flexible periods of time, depending on the needs of the teachers and students.

In the third year, it changed to a computer scheduling program to provide more administrative accountability for the students' whereabouts.

Each teacher would select the needed number of fifteen-minute modules to allow for that day's instruction, whether it be a test, a lecture, a lab, etc.

For those more dedicated students who leveraged the school's unique scheduling to their advantage, Los Al produced an extraordinary number of early graduates, who went on to succeed in the best universities.

The team received recognition from the Mayors of the cities of Los Alamitos and Seal Beach for its contribution to positive publicity.

Another indicator of the success of the program was that in 2007 there were 17 Los Al alumni girls playing NCAA Division I soccer.

In their fourth season of competition, the LAHS Girls' Lacrosse team was the undefeated CIF Division I Orange County and Southern Section Champions in 2009 and 2010.

Since David Moellenkamp took over as director of the program in 2009, Los Alamitos show choirs have been named Grand Champions more than 175 times at various regional and national competitions.

Despite competing in the extremely difficult southern California show choir circuit along with two of the best show choir programs in the country (John Burroughs High School and Burbank High School), Sound FX went undefeated in the 2018, 2020 and 2023 competition seasons.

Sound FX has recorded and performed with numerous famous artists, including Barry Manilow, Patti Lupone, Kristin Chenoweth, Journey, Foreigner,[18] and Major Parkinson.

Notable recent alumni of the Los Alamitos show choir program include actress Jenna Lea Rosen[30] and recording artist and American Idol contestant Sophia Wackerman.