The National Association of Secondary School Principals and the Association for Supervision and Curriculum Development are two professional organizations for high school principals. Principals can join the two organizations by completing an online application on each organization's website.Continue Reading
Principals can join the National Association of Secondary School Principals by navigating to NASSP.org and clicking Join NASSP. Membership for principals is $250 per year, as of 2015.
Principals can join the Association for Supervision and Curriculum Development by navigating to ASCD.org and clicking Join Now. Membership plans range from about $40 per year for the basic online membership to about $240 per year for the premium membership.Learn more about Careers