This collection of articles is designed to enhance leadership for the promotion of effective evaluation and learning. The articles include an Introduction, by Fred Snyder; Exerting Leadership Toward Effective Evaluation of Pupil Performance, by T. L. Drake; The Elementary Principal as an Instructional Leader, by John Ourth; The Secondary Principal as an Instructional Leader, by John Gasper; Standardized Testing and the Improvement of Instruction, by George S. Vrabel; Minimal Competency Testing: A Boy to Do a Man's Job, by Clinton Chase; Outcome-Based Instructional Systems, by William G. Spady; and Pupil Evaluation as a Dimension of Curriculum Development, by Linda Hardin. (BW)