In 2019, St. Sebastian Catholic School underwent a review to renew its accreditation, which is completed every seven years. The school was found to meet or exceed the rigorous standards of the Wisconsin Catholic Schools Accreditation (WCSA) and the Wisconsin Religious & Independent Schools Accreditation (WRISA).

Schools are evaluated upon the basis of their total identity and as an institution of learning. The standards addressed include: Mission and Catholic Identity, Governance and Leadership, Academic Excellence, and Operational Vitality.

Our Catholic school places an emphasis on the school as an educational community of persons who collaborate and foster an appreciation for a genuine faith community that builds learning and strengthens academic excellence.

In 2018 and 2025, St. Sebastian Catholic School earned Archdiocese of Milwaukee Exemplary Recognition in the category of Whole Student Education. We are so thrilled and grateful for this recognition of the ways the staff, students, families, and community support all students to grow and thrive here at Sebs. 

St. Sebastian Catholic School is the only school in the Archdiocese of Milwaukee to receive this award twice. The program pays tribute to extraordinary performance in providing a strong heritage of Catholic identity, academic excellence and educating the whole student.