Courses that may need ISAs include, but are not limited to: ENGR 115, 123, 205, 210, 225, 226, 305, 308, 313, 317, 322, 326, 330, 331, 333, 351, 355, 371, 410, 411, 416, 417, 430, 440, 464, and 465. Under supervision, Instructional Student Assistants (ISAs) in this classification perform teaching, grading and/or tutoring duties for the majority of work hours in a given appointment in a given academic department or equivalent administrative unit over the course of an academic term.