Riverstone International School is a private, independent school for preschool through high school students in Boise, Idaho that offers day and boarding programs. Riverstone was the first International Baccalaureate World School in Idaho and is one of a small number of schools in the United States to offer all three IB programs, the Primary Years Programme (PYP), Middle Years Programme (MYP), and the Diploma Programme (DP). The school’s Five Pillars—Academic Excellence, Community and Service, Leadership by Example, International Understanding and Outdoor Education—provide pathways for students to explore academically and personally. Students raft the Main Payette River and Main Salmon River and backpack through the White Cloud and Sawtooth Mountains. The school's boarding program enrolls a