A proficiency scale is a tool that displays a collection of related learning targets and scores for determining a student’s current level of performance. A proficiency scale defines a learning progression or set of learning goals for a specific topic, relative to a given standard (Herlebower et al., 2019). This is a tool that shows teachers, students and others what proficiency looks like, what knowledge and skills must be attained for mastery, and how students might go beyond what the standard requires. A proficiency scale is first and foremost a tool for teachers and students, but it also serves parents. For teachers, the scale provides information regarding instruction, assessment and feedback to the learner. For students, the proficiency scale is the primary source of information about what they need to know and be able to do in relation to a priority standard or set of standards. Finally, a proficiency scale can serve as a source of information for parents to help them better understand the instructional focus of a specific content area.