PreK–12 teachers and leaders are working in an era when assessments are a constant topic of discussion and debate. It is important to remember, however, that there are clear standards for judging the quality of assessments of any type. This is true of both formative and summative assessment (see the Standards for Educational and Psychological Testing; AERA, APA, &NCME, 2014). Assessments that are both reliable and valid help test score users make appropriate inferences about students’ knowledge, skills, and abilities.