Riverstone International School

United States, Boise

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The school at a glance

Instructs in English

Fees Fees not listed

Ages 3 - 18 years

Pupil numbers 319

Type Co-educational, Co-educational (boarding)

Bus Service Yes

Academic offering

Curriculum International Baccalaureate

Typical class size 10

Strengths IB Programme, Outdoor Education, International Understanding

Clubs Academic and Intellectual, Community and Service, Sports and Physical, Leadership and Professional

Stages Early Years, Primary School, Secondary School

Introduction

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.

5521 East Warm Springs Avenue, Boise, ID 83716, USA

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The Essentials

Location

Riverstone International School is on East Warm Springs Avenue in Boise, Idaho, on a 14-acre campus. Boise offers access to outdoor recreation in the foothills and mountains of southern Idaho.

Stages

The school serves students from preschool and pre-kindergarten through Grade 12, covering elementary, middle, and high school.

Type

Riverstone is an independent, co-educational day and boarding school. Boarding is available for students in grades 8-12. Family ability to pay is not a factor in admissions.

Pupil Nationality Mix

Over 41 countries and nationalities are represented in the student body.

Bus service

Transportation services are offered for students.

Diving Deeper

Boarding Arrangements

Modern boarding facilities are available for students in grades 8-12. Boarding students join day students in the full IB programme and co-curricular activities.

Governance and Ownership

Riverstone International School is an independent school in Boise, Idaho.

Fees

Tuition details are available from the admissions office. Over one-third of students receive tuition assistance or scholarships. Family ability to pay is not an admissions factor.

Academics

Curriculum

Riverstone is an IB World School offering the International Baccalaureate programme across all age groups. The school achieves higher-than-average IB pass rates. 61% of teachers hold advanced degrees.

Exam Results

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. The school achieves higher-than-average IB pass rates.

Higher Education Progression

97% of graduates are accepted into top 150 US colleges and universities. Merit-based aid averages USD 305,000 per student for the Class of 2025.

Parent Experience

History

Riverstone International School has established itself as Boise's top-ranked private school, built on five foundational pillars that guide its educational mission.

Community

The school community represents over 41 countries and nationalities. With approximately 300 students, the school offers a close-knit, internationally diverse learning environment.

Facilities

Facilities Overview

The school sits on a 14-acre campus in Boise with modern boarding and academic facilities. Before and after care activities are available.

Sports Facilities

Athletics programmes are offered across the school.

Extra Curricular Facilities

Clubs, outdoor education activities, and the Otter Camp summer programme extend learning beyond the classroom. The five pillars include outdoor education and community service.

Extra-Curricular Activities

Academic & Intellectual

The IB programme develops critical thinking and academic rigour. 97% of graduates enter top 150 US universities.

Cultural & Language

Over 41 nationalities create a multicultural school community that embodies the IB's emphasis on international understanding.

Community & Service

Community and Service is one of the school's five foundational pillars. Students engage in service projects as part of the IB programme.

Leadership & Professional

Leadership by Example is one of the five pillars. The school cultivates leadership skills through the IB programme and outdoor education.

Lifestyle & Wellbeing

Outdoor Education is a foundational pillar. The school's Idaho location provides access to hiking, skiing, and outdoor adventure.

Languages

Language Provision

English is the language of instruction. Language study is a component of the IB programme.

Reputation

Awards

Niche #1 — Ranked the number one private school in Boise by Niche.com.

Accreditations

IB World School — Accredited to deliver the International Baccalaureate programme.
Niche.com — Ranked #1 Private School in Boise (2026).

Admissions

1. Enquire or visit the admissions portal.
2. Enrolment for 2026-2027 is open.
3. Family ability to pay is not an admissions factor.
4. Over one-third of students receive tuition assistance or scholarships.
5. Boarding available for grades 8-12.

Scholarships

Over one-third of students receive tuition assistance or scholarships. The school does not consider family ability to pay in admissions decisions.

School Events

The school has not added events

FAQs

Where is Riverstone International School located and what age range does it serve?

Riverstone International School is on East Warm Springs Avenue in Boise, Idaho, and serves students aged 3 to 18 from preschool through Grade 12.

What type of curriculum does Riverstone follow?

Riverstone is an IB World School and delivers the International Baccalaureate programme across all age groups, from early years through the Diploma Programme.

Is Riverstone a day school, a boarding school, or both?

Riverstone is an independent, co-educational day and boarding school; boarding is available for students in grades 8–12 on the 14-acre campus.

How do I start the admissions process and is enrolment open for next year?

You begin by enquiring with the admissions office; enrolment for 2026–2027 is currently open and the admissions team can guide you through next steps.

Does the school consider family ability to pay during admissions?

No, family ability to pay is not an admissions factor at Riverstone.

Are scholarships or financial aid available?

Yes, over one-third of students receive tuition assistance or scholarships, and the admissions office can provide details on eligibility and application procedures.

What academic programmes and results can I expect for my child?

Riverstone offers the full IB continuum across all age groups and achieves higher-than-average IB pass rates, with a strong track record of academic rigour and university preparation.

How successful are graduates in gaining university admission?

Ninety-seven percent of Riverstone graduates are accepted into top 150 US colleges and universities, reflecting strong college placement outcomes.

Does the school report any financial aid or merit statistics for recent classes?

The Class of 2025 earned an average of USD 305,000 per student in merit-based aid, highlighting the level of scholarship support students have secured.

What is the size and layout of the campus?

Riverstone sits on a 14-acre campus in Boise with modern boarding and academic facilities and access to nearby outdoor recreation in the foothills and mountains of southern Idaho.

Are boarding facilities available and what is boarding life like?

Modern boarding facilities are available for students in grades 8–12; boarding students fully join the IB programme and participate in the same co-curricular activities as day students.

Does the school offer transportation for day students?

Yes, transportation services are offered for students to support families commuting to and from campus.

What sports and outdoor opportunities does Riverstone provide?

Athletics programmes are offered across the school and Outdoor Education is a foundational pillar, taking advantage of Boise's proximity to hiking, skiing, and other outdoor activities.

What extracurricular activities and camps are available beyond the school day?

Riverstone offers a range of clubs, co-curricular activities, and an Otter Camp summer programme, as well as before- and after-care activities to extend learning and engagement.

How does the school promote leadership and community service?

Leadership by Example and Community and Service are two of the school's five pillars; students engage in service projects and outdoor education that build leadership skills as part of the IB programme.

How international is the student body?

The school community represents over 41 countries and nationalities, creating a multicultural environment aligned with the IB emphasis on international understanding.

How large is the student body and what is the school community like?

Riverstone serves approximately 319 students, offering a close-knit, internationally diverse learning environment on a single campus.

What accreditations and recognitions does Riverstone hold?

Riverstone is an IB World School accredited to deliver the International Baccalaureate programme and was ranked the #1 Private School in Boise by Niche.com in 2026.

How qualified are the teachers at Riverstone?

Sixty-one percent of Riverstone teachers hold advanced degrees, contributing to the school's academic expertise and IB delivery.

What languages are taught and what is the language of instruction?

English is the language of instruction, and language study is an integral component of the IB programme offered to students.

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