MHHS Booster is an organization of parents, former parents, supporters, and fans of Mission Hills High School Football in San Marcos, California.

The mission of the Mission Hills Grizzly Football Boosters is to enhance the football experience of all players, at all levels, by providing financial assistance and support to the football program.  The Mission Hills Grizzly Football Boosters has a mission of promoting and supporting football at Mission Hills High School.  By identifying the program's needs, the club will have a positive and lasting impact on the program.  The contributions and support of our Player Families, Football Alumni, and Community Members are instrumental to the success of the program.