A summative assessment is used to assess learning and understanding of a broad concept or curriculum. This type of assessment summarizes a student's understanding of a group of concepts at a particular time. This type of assessment almost always comes at the conclusion of a unit, period of time, or an entire school course. A common summative assessment is standardized testing. This type of summative assessment is designed to measure student understanding of required learning objectives taught over the course of the year. The results of these assessments determines a students overall understanding or mastery of the assessed subject.