There is no set of skills which every teacher should use. Counselors can be effective using any one of a variety of approaches. There is no single correct way for librarians to work with students. Another difficulty in assessing faculty is that when students do the evaluating they may very well assume an easy or entertaining teacher is a good teacher. Nonetheless, if students in general are reporting mediocre ratings and few faculty are judged to be excellent, there is a problem.
Faculty can certainly learn to be effective without taking classes in teaching techniques.
However, one sign of a faculty committed to excellent teaching is the number who do take formal instruction in teaching strategies, especially techniques and strategies for reaching students from ethnic backgrounds different from their own. If the college's evaluation system does not yield data that can be combined in exactly this way, then the closest similar data should be provided. The hiring process, staff development program, evaluation system, pattern of assignment and load, and measures of discipline preparation and faculty effectiveness should all be organized to help the community college ensure that the faculty and administration it hires and retains are people who are sympathetic and sensitive to the racial and cultural diversity in the colleges and are themselves representative of that diversity. The ideal measure for a faculty, an administration, or a college would be the degree to which they contribute to the motivation and achievement of the college's students. However, since the student body at a particular college is different from the student body at every other college in ways that are difficult to measure, even data about student achievement may mean little.