Assessment serves various functions in addition to assessment of student learning
outcomes, e.g., improving classroom activities and student learning processes as well as
monitoring the quality of education through testing. There are several users of assessment
data and actors as well as organisational levels. The implementation of assessment can take
various forms, e.g., formative and summative assessment and self-assessment. The tension
between the functions and forms of assessment depends on the educational system and
assessment policy.