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At Sage International Network of Schools, we embrace our mission to engage students within an inclusive International learning community, challenging all members to take risks and contribute locally and globally through open-minded inquiry.

Sage International Schools are a network of two public charter schools in Boise and Middleton. As K-12 International Baccalaureate World Schools, Sage teachers engage in creative, globally focused instruction that emphasizes critical thinking, real-world problem solving, and interdisciplinary learning.

  • Our community is inclusive and mission-driven, making the collaborative work we do both meaningful and impactful. 
  • Our calendar, which you can see by clicking the button to the right, includes five breaks throughout the school year, creating a balanced schedule that supports staff and student well-being.
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2025-26 Salary Schedule
Sage Benefits Guide
2026-27 Academic Calendar

At Sage, we prioritize the well-being of our employees by offering comprehensive and competitive benefits. You can view the Benefits Guide and the 2025-26 salary schedule by clicking the links above. The salary schedule for the 2026-27 school year will be posted soon.

Please see our current openings at Sage International Network of Schools below, or you can click the ” Apply Now ” link above to submit your application. Please email jobs@sageintl.org with any questions.

Spanish Teacher – 6th – 8th Grade
Academic Year: 2026/2027
Location: Sage Middleton
Open Positions: 1
Closing Date: Until Filled

More Information Apply Now

Math Teacher – 6th – 8th Grade
Academic Year: 2026/2027
Location: Sage Middleton
Open Positions: 1
Closing Date: Until Filled

More Information Apply Now

Economics & Speech Teacher – 9th – 10th Grade
Academic Year: 2026/2027
Location: Sage Boise
Open Positions: 1
Closing Date: Until Filled

More Information Apply Now

Elementary Teacher – K- 5th Grade
Academic Year: 2026/2027
Location: Sage Middleton
Open Positions: 1
Closing Date: Until Filled

More Information Apply Now

Elementary Spanish Teacher – K- 5th Grade
Academic Year: 2026/2027
Location: Sage Middleton
Open Positions: 1
Closing Date: Until Filled

More Information Apply Now

Special Education Teacher – K – 12th Grade
Academic Year: 2026/2027
Location: Sage Middleton
Open Positions: 1
Closing Date: Until Filled

More Information Apply Now

Special Education Teacher – K – 12th Grade
Academic Year: 2026/2027
Location: Sage Boise
Open Positions: 1
Closing Date: Until Filled

More Information Apply Now

ESage Program Lead
Location: Sage Middleton
Open Positions: 1
Closing Date: Until filled

More Information Apply Now

Kitchen Assistant
Academic Year: 2026/2027
Location: Sage Middleton
Open Positions: 1
Closing Date: Until filled

More Information Apply Now

ESage Teacher – Summer ONLY
Location: Sage Boise
Closing Date: Until filled

More Information Apply Now

ESage Bus Driver
Location: Sage Boise
Closing Date: Until filled

More Information Apply Now

ESage Teacher 
Academic Year: 2026/2027
Location: Sage Boise
Closing Date: Until filled

More Information Apply Now

Paraprofessional 
Academic Year: 2026/2027
Location: Sage Boise
Open Positions: 1
Closing Date: Until filled

More Information Apply Now

Thank you for your interest in a substitute position with Sage International Schools.

We are part of a group of Charter Schools which the Idaho Charter School Network (ICSN) facilitates all applications for substitutes. Please be sure to list Sage Boise, Sage Middleton, and any other schools you may be interested in subbing for. You will also have access to schedule your background check (an Idaho Code requirement) through ICSN as well.

Apply to be a Substitute

Additional Information

  • High School Diploma required / College Degree preferred
  • All Substitute Teachers are required to have had a criminal background check with the State Department of Education within the last 6 months to be in accordance with Idaho code. The cost is $10.00 for fingerprinting and $28.25 to submit background check with the SDE. BIC (background check/fingerprinting) information will be sent to you once your application has been received

Substitute Pay Rates 2025-26 School Year

  • SAGE Boise International pay:  $110 for full day Certified Teaching position / $55 for half day (4 hrs or less) for substitutes
  • Sage Middleton International pay:  $110 for full day Certified Teaching position / $55 for half day (4 hrs or less) for substitutes
  • Sage International Schools pay: $90 for full day Classified position / $45.00 for half day (Examples include front desk, education assistant, etc.)

We are currently offering a $100 incentive for substitutes that work 5+ full days in any pay period (16th of the month to the 15th of the next month) and/or $200 for those that work 10+ full days in addition to our current rates ($200.00 max for pay period).

Thank you again for your interest in substituting at Sage International Schools. If you have questions or need assistance, please email Valerie Roberts at valerie.roberts@sageintl.org

Please email jobs@sageintl.org with any questions.

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