Mesa County Valley School District 51 is located in Grand Junction, Colorado. The district spans over 2,200 square miles on the Western Slope of the Rocky Mountains. The district is the largest employer between Denver and Provo, UT with over 2,700 employees. District 51 is the 12th largest school district in the state of Coloraod and serves over 22,000 students in pre K through the 12th grade.