Mains Elementary School serves students in kindergarten through grade six. The school offers a variety of academic programs in mathematics, science, language arts, English and social studies. It also provides instructional services in computer science, art and music. Mains Elementary School organizes various recreational and social events. The school maintains a library, technology laboratory and parents center. It is administered by the Calexico Unified School District, which governs elementary, middle and high schools. The district has maintenance and operations, information technology, and human resources and personnel commission departments. The district additionally offers special educational and community support services.