In 1940, through the Works Progress Administration, the current gym, an updated auditorium, a north wing of classrooms, and an agriculture building were constructed.

[8] In 1971, shortly after extensive remodeling and the addition of a new PE area, the original wooden grandstands were burned down by an arsonist.

Until the recent remodel,[11] the school still had asbestos tiling and pipe insulation throughout the building and numerous architectural faults.

[1] In 2024, there were calls for the current principal, Erika Beddoe-Whitlock, to step down due to increasing violence on the school grounds.

[12] Gresham currently offers Advanced Placement (AP) academic programs to prepare students for upper-level courses.

[15][16] Gresham's sports teams compete in football, volleyball, soccer, cross country, basketball, swimming, wrestling, dance/cheer, baseball, softball, track and field, tennis, water polo, and golf.

The Theatre Arts Department offers students opportunities from acting in main stage productions, including a full length musical, to directing or working as crew members backstage.