The purpose of this study was to determine whether there were any relationships between adjudicated teaching effectiveness scores, assessed by the Survey of Teaching Effectiveness (Hamann & Baker, 1995), an observation-based assessment instrument, and social skills scores, assessed by the Social Skills Inventory (Riggio, 1989), a self-report instrument, of preservice teachers. Subjects for the study, N = 138, were music education and elementary/secondary education students preparing to be teachers at three universities in Ohio and Oklahoma. From regression analysis, it was found that (a) Emotional Expressivity, an individual's skill in nonverbal communication, (b) Emotional Sensitivity, an individual's skill in receiving and interpreting nonverbal communication of others, and (c) Social Control, an individual's ability to engage others in social discourse, were related to teaching effectiveness among preservice teachers.