Sage International School Middleton
Part of Sage International Network of Schools, Secular, Founded 2019
Updated July 2026
Curriculum
IB PYPAccreditations
Languages
EnglishSage International School is a network of tuition-free public charter schools in Idaho offering a rigorous, inquiry-based international education for students in Kindergarten through 12th grade. It is an authorized International Baccalaureate (IB) World School network.
Curriculum
Teaching approach
The school is committed to an inclusive international learning community that emphasizes inquiry-based learning. It aims to create caring and curious students who are encouraged to take risks, ask questions, and contribute locally and globally. The educational approach prioritizes foundational skills in reading and mathematics while fostering social, emotional, and physical well-being.
Programmes
The school offers the full continuum of International Baccalaureate (IB) programmes: the Primary Years Programme (PYP) for grades K-5, the Middle Years Programme (MYP) for grades 6-10, and the Diploma Programme (DP) for grades 11-12. The curriculum is designed to be well-rounded and rigorous, incorporating the arts, science, technology, literature, and the study of a second language across all grade levels.
Student support
Learning support
The school provides comprehensive student services, including support from counselors and a school nurse. Specialized programs are available for students requiring special education services and for multilingual learners.
Frequently asked questions(6)
- What curriculum does Sage International School Middleton offer?
- Sage International School Middleton offers IB PYP, IB MYP and IB Diploma.
- What ages does Sage International School Middleton teach?
- Sage International School Middleton enrolls students aged 5 to 18.
- Is Sage International School Middleton a day or boarding school?
- Sage International School Middleton is a day school.
- What accreditations does Sage International School Middleton hold?
- Sage International School Middleton holds accreditations including IB.
- Is Sage International School Middleton co-educational?
- Sage International School Middleton is a co-ed school.
- Where is Sage International School Middleton located?
- Sage International School Middleton is an international school in Nampa, United States.
Tuition & fees
No published fee schedule was found for this school.
Admissions
Sage International School is a tuition-free public charter school. Enrollment is managed through an annual lottery process in March, with a waitlist maintained throughout the school year for any seats that become available. Prospective families are encouraged to attend scheduled school tours to learn more about the enrollment process.
Calendar
The school operates on an academic calendar that includes specific dates for events and instruction. The 2026-2027 Academic Calendar is available for reference, and the school maintains an event calendar to keep families informed of school activities.
Facilities
About the campus
The Middleton campus is located at 208 S. Hartley Lane. The school network also maintains facilities in Boise, including the campus at 431 E. Parkcenter Blvd. and the network office at 1513 E. Tyrell Lane.
Co-curriculars
The school offers a variety of enrichment activities, including athletics and clubs. Competitive options include a Mountain Bike Team for middle and high school students, which practices in the fall and participates in interscholastic races, and a Ski and Snowboard Team organized in partnership with the Bogus Basin Ski Education Foundation for students in grades 6-12. Additionally, the school provides ESage expeditions and various community opportunities.
- Emily DowneyExecutive Director
Emily joined Sage in 2014 as a parent and later served on the School Board before becoming the network’s CFO/COO in 2021. She is an experienced financial and operational leader with over 20 years in the private sector as a CPA.
- Josh NoteboomChief Academic Officer
Josh brings over 16 years of experience in public education, including roles as a teacher, assistant principal, principal, and leader of federal programs for the Idaho State Department of Education. He holds degrees from Northwest Nazarene University and Boise State.
- Christine McMillenSpecial Education Director & Federal Programs Manager
Christine moved to Boise in 1998 and previously worked as a special education teacher and as principal of Canyon Springs High School in Caldwell. She is passionate about student success and learning.
- Dani ZwolferIB/Curriculum/Assessment Director
Dani started at Sage in 2010 and has held various roles including elementary teacher, PYP Coordinator, and PYP Director. She is also an IB Workshop Leader and previously spent 19 years as a data analyst.
- Heidi HagmanMarketing & Communications Director
Heidi started at Sage in 2010 as a parent volunteer and officially joined the team in 2019. She uses her photography skills and previous IT experience to market to the community and communicate with families.
- Arron WaltonEnrichment Director
Arron started at Sage in 2010 as a parent and began working there in 2014 as the ESage Director. She now oversees extracurricular programs at both the Boise and Middleton campuses and previously worked at the YMCA for 13 years.