Los Alamitos High School is a public school for grades 9 to 12 located in Los Alamitos, California, and also serving the city of Seal Beach and the community of Rossmoor. It is the only traditional high school in the Los Alamitos Unified School District; the far smaller Laurel High School serves as a continuation school and as the district office site. Both Oak Middle School and McAuliffe Middle School feed into Los Alamitos High.