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St. Mary's Catholic School is accredited by the Western Catholic Education Accrediting Association for Schools and Colleges. 

Blueribbon St. Mary's Catholic School Moscow Self Study Accreditation Document 2022

It was in 2006 that the Diocese of Boise chose to have an accreditation process for its schools.  However, St. Mary's Catholic School had been accredited by the State of Idaho since the 1980’s

In 2005, St. Mary’s applied for and earned the distinguished national Blue Ribbon School Award, given by the federal Department of Education to recognize schools that demonstrate exemplary high performance within its student body.  To date, St. Mary’s is one of only 24 Idaho schools to receive this award.

In 2006, the Diocese of Boise had its schools engage in an accreditation process, which accredited schools throughout the entire western region of the United States.  St. Mary’s has been through this process three times (twice as a pilot school) and each time has been awarded the highest available accreditation (6 years). St. Mary’s just completed the latest accreditation in spring 2022. To receive this accreditation, schools must be worthy of the trust placed in them to provide high-quality learning opportunities and clearly demonstrate continual self-improvement.

Our sense of community, parent involvement, student engagement, faith formation, and academic achievement were major strengths in our accreditation processes.  We live the Gospel through our daily interactions within and outside our school community.  Our low student to teacher ratios helps students receive individualized instruction and encouragement.