Evaluation serves to monitor educational progress and provide feedback on instructional programs. It is defined as assigning values or judgments to phenomena based on cultural or scientific standards. Principles of effective evaluation include clearly defining the topic, using varied techniques, understanding limitations, and ensuring the method is appropriate. Evaluation in education helps with objectives, student needs assessment, feedback, assignments, curriculum development, reporting to parents, counseling, administration, and career guidance. It benefits teachers, administrators, parents and students.