Evaluation is the systematic collection and analysis of evidence to improve understanding and make judgments about the object being evaluated. It entails considering participants, information collection, purposes of evaluation, and analyzing and interpreting information. Evaluation serves many purposes, such as accountability, summative assessments, formative assessments, and making placement decisions. Classroom-based evaluation is also important for day-to-day decisions teachers make about student learning and program effectiveness. Evaluation is essential for successful education as it forms the basis for appropriate and effective decision-making.