Proceedings of a conference on teacher assessment are presented. A speech accompanying presentations of the 1988 Educational Testing Service Award for Distinguished Service to Measurement and a list of winners of that annual award from 1970 to 1988 are included. The nine papers provided include: (1) "Strengthening the Teaching Profession through National Certification" (James A. Kelly); (2) "The Paradox of Teacher Assessment" (Lee S. Shulman); (3) "A New Generation of Tests for Licensing Beginning Teachers" (Carol Anne Dwyer); (4) "Implications of Studies of Expertise in Pedagogy for Teacher Education and Evaluation" (David C. Berliner); (5) "A Classroom Teacher's View of the Assessment of Teaching" (Claire L. Pelton); (6) "New Directions for the Career of Teaching--The Rochester Experiment" (Adam Urbanski); (7) "Restructuring Teacher Education" (Judith E. Lanier); (8) "The Case for a Supervised Teaching Internship" (Linda Darling-Hammond); and (9) "Will Improving Teacher Assessment Improve the Education of Children?" (P. Michael Timpane). (TJH)