Rethinking “The 4” in Standards-Based Grading: Advanced Mastery, Standards Alignment, and Implications for K–12 Reporting

Debates over the use of four-level scales in standards-based grading and reporting, particularly the meaning and necessity of the highest level, persist in K–12 education. This conceptual, practice-informed article examines whether “the 4,” commonly labeled advanced mastery, exceeds, or extending, is theoretically sound and instructionally useful within standards-aligned grading systems. Illustrative classroom scenarios demonstrate that students may produce exceptional work without exceeding the requirements of the standard being assessed. The article considers arguments for and against a top level that requires students to exceed the standard, and it distinguishes valuable qualities such as creativity, sophistication, and superior performance from evidence of standards attainment. Particular attention is given to the misapplication of Webb’s depth of knowledge framework as a proxy for mastery levels, clarifying the difference between cognitive complexity and quality of performance. The article recommends precise performance descriptors, moderation and calibration of student work, narrative feedback, student conferencing, and other approaches for recognizing excellence without distorting proficiency scales. It concludes that schools should initially use a three-level system focused on developing a shared understanding of proficiency. Additional levels may be considered later, following reflection, calibration, and analysis of implementation evidence.