Most educational measurement texts distinguish between norm-referenced (NR), or relative, methods of assigning letter grades to objective test scores, and criterion-referenced (CR), or absolute, methods. Both NR and CR approaches have serious limitations in typical classroom situations, and neither approach, in its pure form, may be entirely…

This guide for those in the "High Schools That Work" initiative is designed to help teachers use classroom assessment to motivate students to work harder to meet challenging standards; to get students to organize information, make interdisciplinary connections, synthesize new knowledge, and draw conclusions from what they learn; to…