Accountability is now a requirement in education, and that extends to professional development. Leaders must understand what evaluation is, what its purposes are, and the critical levels of professional development evaluation to be able to provide meaningful data that demonstrate the difference professional learning makes.

In this age of accountability, evaluation must become an integral part of staff development. This paper describes what evaluation is; the three types of evaluation (planning, formative, and summative); and the five critical stages of staff development evaluation. It presents 12 guidelines for improving the quality of professional-development…