(Prerequisites, SD 550, EE 313, 314, 315, 316, 317, 318 and EE 320. Admission to teacher education. Senior standing.) Participation, under supervision, in teaching at the elementary school level in an approved public school or the equivalent. Observation is stressed during the initial part of the course with responsible teaching emphasized as the course progresses. Assignment to consist of full time teaching for one half of a semester or the equivalent.