This study guide is designed for teachers preparing to take the Georgia Teacher Competency Test (TCT) in special education focusing on mental retardation. A list is provided of the content objectives for each subarea of the test: (1) special education core curriculum; (2) self understanding, careers, and life skills; (3) identification of the characteristics of mental retardation, assessment of potential, and student placement; and (4) individualizing instruction and understanding student needs. A bibliography of suggested readings accompanies each list of content objectives. The test format is described, and suggestions are made for developing study groups in a local school system or region. (JD)