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)

Boarding Tuition (Grade 9-12): $53,580 (includes tuition, housing, meals, and local transportation) + 1,750 Boarding Health Insurance. New Student Enrollment: $1,100. Grade Specific: Grade 11 College Trip: $500. IB Diploma Self Taught Language: $800 (if required). Grade 12 IB Diploma Program Testing: $500. IB Diploma Self Taught Language: $800 (if required).