Campbell Union School District is a provider of education beyond the expected and educates individual students to their highest potential to ensure that they are prepared to succeed. The Destination District: From preschool to eighth grade, Campbell Union School District's teachers focus on high academic standards and achievement for every student. More than 7,300 students attend their 12 exceptional schools, which serve the communities of Campbell, Los Gatos, Monte Sereno, San Jose, Santa Clara, and Saratoga.