With funding received from state bonds, expansion work was done between 1998 and 2001, adding on a new Math and Science building, a new dance studio, weight rooms, and a new library, along with renovation work on sites around the campus.

Alta Loma was a recipient of a Golden Ribbon Award from the California Department of Education in 2017 [2] and a Silver Medalist for the U.S. News & World Report 2018 Best High Schools.

[3] Graduates from the Class of 2017 met the University of California A-G admission requirements at a rate of 66.2%.

[4] Alta Loma is a member of the Palomares League of the CIF Southern Section.

The school's football team plays its home games at Alta Loma's Uhalley Stadium.