This article is a commentary of a paper by Derek C. Briggs and Frederick A. Peck, "Using Learning Progressions to Design Vertical Scales That Support Coherent Inferences about Student Growth," which describes an elegant potential framework for at least beginning to address three priorities in large-scale assessment that have not been…

Studies have shown that the amount of time students spend engaged in learning tasks is related to learning outcomes. However, schools often offer to the students only a fraction of the time that governments pay for, and schools in lower-income areas often offer less time than governments plan for students. Instructional time ought to be an…

Calls for more school instructional time are coming from multiple quarters. Academic standards and frequent assessments have changed the nature, but not the length, of the instructional day. Schools find themselves "robbing Peter to pay Paul," taking time from the arts, recess, and physical education to give to reading and math, subjects that…