Riverstone International School

United States, Boise

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School Events

Upcoming Events

Open House: Middle & High School (Election Day)

Open House for Riverstone's Middle & High School, providing an overview of Riverstone's programs and...

Wednesday, 4 November 2026 at 02:00 GMT-5 Riverstone International School, 5521 East Warm Springs Avenue, Boise, ID 83716, USA

ES Open House (Elementary School)

Elementary School Open House offering an overview of Riverstone's ES program and campus visits for p...

Friday, 6 November 2026 at 02:00 GMT-5 Riverstone International School, 5521 East Warm Springs Avenue, Boise, ID 83716, USA

Diwali – MS/HS Open House

Diwali event featuring a Middle & High School Open House as part of Riverstone's Diwali celebrations...

Sunday, 8 November 2026 at 02:00 GMT-5 Riverstone International School, 5521 East Warm Springs Avenue, Boise, ID 83716, USA

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The school at a glance

Instructs in English

Fees Unlisted

Ages 3 - 18 years

Pupil numbers 319

Type Co-educational, Co-educational (boarding)

Bus Service Yes

Riverstone International School is an IB World School in Boise, Idaho, serving approximately 300 students from preschool through Grade 12. The school represents over 41 countries and nationalities. Boarding is available for grades 8-12 on a 14-acre campus. Ranked the number 1 private school in Boise by Niche, 97% of graduates are accepted into top 150 US colleges and universities. The Class of 2025 earned an average of USD 305,000 per student in merit-based aid. Over one-third of students receive tuition assistance. The school is built on five pillars: Academic Excellence, Community and Service, Leadership by Example, International Understanding, and Outdoor Education. 61% of teachers hold advanced degrees.

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