Gather functional requirements; develop detailed requirements; review the functional and detailed requirements with business users/owners; obtain signoff on requirements; develop software and unit test; migrate software to QA and get the business users/owners to test and approve; migrate approved software to production and set up runbooks and schedules. The Colorado Department of Education (CDE) provides leadership, resources, support, and accountability to the states 178 school districts, 1,888 schools, over 53,000 teachers, and over 3,200 administrators to help them build capacity to meet the needs of the states approximately 905,000 public school students.