Instructional and Public Technology involves educators and students in new ways. Educators strive to manifest true learning in students. Instructional design is a systematic approach to evaluating student needs, designing instructional material, and evaluating how material is taught. The ADDIE model of analysis, design, development, implementation, and evaluation is a main instructional design model used by educators. Communication is key to a healthy learning environment. Under the Texas Public Information Act, certain information about public school employees is available through public information requests.