Accreditations & Affiliations

Memberships & Affiliations

The Prairie School is proud to partner with local and national organizations that support education at all levels. The organizations below serve our students, families, board members and faculty through professional development opportunities, scholarships, accessibility to educational resources and more!

Accreditation is important because it holds schools to rigorous standards in every area of school life. The accreditation process engages the entire school community, bringing it together to affirm its mission, identify areas of strength and weakness, and articulate plans for improvement. The accreditation process culminates with an extensive examination of each school by a visiting team of experts every seven years. Accreditation is a helpful indicator of quality.

The Prairie School is accredited by the following two organizations:

With more than 125 years of accreditation experience, our rich history has shaped the accreditation process and continues to redefine it. More than 24,000 schools and systems across the United States and in 90 countries around the world entrust Cognia as an accreditation partner that examines the whole institution, so every part is moving in one direction.

Education providers that earn Cognia Accreditation are awarded that recognition by the North Central Association Commission on Accreditation and School Improvement (NCA CASI), the Northwest Accreditation Commission (NWAC), and the Southern Association of Colleges and Schools Council on Accreditation and School Improvement (SACS CASI), which comprise three of the six regionally recognized K–12 accrediting bodies. Accreditation with Cognia is more than a stamp of approval. It is a sign of your deep commitment to student learning and places you in very good company.


The Independent Schools Association of the Central States (ISACS) is a membership organization of more than 230 independent schools from 13 states in the U.S. Midwest region. Prairie shares an accreditation with only 11 other schools in the state of Wisconsin. The school community also has access to professional growth programs that demonstrate and teach best practices in independent education. Learn More …