Campbell Union School District is the elementary and middle school district in Campbell and one of three districts that serve the children of the community. It was established in 1921 and includes nine elementaries, three middle schools and one commuinty day school. The district serves not only Campbell but also the Los Gatos, San Jose, Monte Sereno and Santa Clara communities.
There are 7,300 students and 722 employees in the district. In 2009, the district saw a rise in its API score of 25 points, bringing its districtwide score up to 831. The state of California rates its schools on a 200 to 1,000 point system, with 800 the current benchmark.