Yuma School District One believes that every student is unique and can be successful. We are looking for highly effective and passionate individuals to join us on our mission to make a difference in the lives of our students. The Yuma Elementary School District is the largest elementary school district located in Yuma, Arizona with a student population of over 8,000 and an employee base of over 1,200. The district operates thirteen elementary schools, five middle schools, and an online school.