T-TESS is the Texas recommended appraisal process designed to evaluate teachers and establish a system of support. MISD uses the T-Tess appraisal system. The following links are a resource for teachers to click for any questions about the T-Tess Appraisal System. Your personal T-Tess information ID in DMAC. For any specific questions about specific information on the MISD T-Tess appraisals, email Lydia Fields in the curriculum department at fieldslc@marshallisd.com