Legislative and/or state department of education mandates requiring some form of competency assessment of teachers are currently in force in 38 states. An additional seven states report planning activity, and only five states report no plans to test the competency of teachers. Descriptions are given of competency assessment activities in each state. An accompanying table provides information on the states mandating competency assessment of teachers, the form of the mandate, date implemented, level (admission/certification), skills tested, and types of tests given. (JD)