This document discusses classroom-based evaluation and planning evaluation. It describes a four-step process for classroom-based evaluation: identifying purposes, collecting information, interpreting information, and decision making. Examples of decisions made in the classroom include changing purposes, plans, and practices in response to student needs. The document also provides a strategy for classroom-based evaluation involving comparing plans and objectives to student needs and assessing whether objectives are being met. It suggests beginning evaluation before instruction and collecting student background information to inform evaluation.