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Commission for
Oceti Sakowin Accreditation
About COSA
Who We Serve
COSA Schools
Success Stories
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Tribal Accreditation
How it Works
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Commission for Oceti Sakowin Accreditation
Helping tribes and tribal organizations improve the quality of education for all learners.
Home
About COSA
Who We Serve
COSA Schools
Success Stories
COSA Commissioners
Resources
Tribal Accreditation
How it Works
Accreditation Standards
Application for Accreditation
Self-Study
Renewal Evaluation Preparation Checklist
News / Updates
Documentation
Press Releases
Contact Us
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