Founded in 1920, the Sweetwater District has grown to more than 36,000 students in grades 7 through 12 and more than 10,000 adult learners. The district’s 32 campuses are located in the cities of Chula Vista, Imperial Beach, National City and San Diego, including the communities of Bonita, Eastlake, Otay Mesa, San Ysidro and South San Diego.