This is the page for the Denali Montessori Elementary PTSA. This page is maintained by the PTSA. Denali Montessori PTSA supports the students, staff and families of Denali Montessori Elementary school in Anchorage, AK. The Denali PTSA also runs the Denali Community School - a before and after school enrichment and childcare program for Denali students. The Alaska Congress of Parents and Teachers (the Alaska PTA) is a branch of the National PTA, a nonprofit organization which seeks to unite the forces of home, school and community on behalf of children and youth.