PI 34 requires all initial educators to have a mentor who has been trained in the Wisconsin Standards appropriate to the license category. Pupil Services Likert Scale The Pupil Services Likert Scale is a self-assessment instrument designed to help identify different perceived aspects of the pupil services delivery systems utilized within schools. The scales are based upon the Wisconsin Department of Public Instruction Pupil Services Resource and Planning Guide and the Enabling Component Model from the UCLA Center for Mental Health in Schools. In addition, perspectives from the Wisconsin Department of Public Instruction Pupil Services Roles Delineation Project have informed the development of this instrument. Wisconsin Alliance of Pupil Services Organizations.