This document discusses different perspectives and purposes of assessment in education. It begins by outlining the main functions of grading according to experts, which include administrative purposes, providing feedback to students, guidance for course selection and careers, instructional planning, and motivation. It then examines these purposes in more detail, citing various studies that have looked at how grades are used for different administrative decisions, to provide information to students about their achievement, guidance for counselors and students, instructional planning, and motivation. The document also discusses different types of grading systems that have been used historically and are currently used, such as percentage grading, letter grading, norm-referenced grading, mastery grading, pass/fail, standards-based grading, and narrative