Keystone School Carmichael is a non-public special education school. It is the largest non-public school in Northern California, with over 220 students enrolled from over 36 school districts. UHS Keystone School - Carmichael has been accredited since 1998 by the Western Association of Schools and Colleges. With an optimal student-to-faculty ratio, UHS Keystone School - Carmichael provides an exceptional learning environment for children with special needs. A team concept is emphasized so that staff members are informed about individual students and their needs. Teachers do quarterly assessments on all students to measure a student