The National Institute for School Leadership, also known as NISL, is a nonprofit organization located in Washington, D.C. The agency helps school districts to prepare their principals to be instructional leaders in standard-based schools. Its executive development program s curriculum includes instruction in workshops, seminars and study groups with interactive Web-based learning. The National Institute for School Leadership develops leadership skills in school principals. The agency has partnerships with various school systems, universities and educational associations. It offers research-based training courses for school principals. The National Institute for School Leadership is a part of the National Center on Education.