No "Top of the triangle kids": Toward conceptual clarity of students, behavior, and tiers in MTSS to advance social justice

Schools have increasingly adopted multitier systems of support to address a variety of educational aims. Despite their grounding in behavioral science and the public health model of prevention, in many settings there has been a shift from a foundational focus on behavioral principles to emphasize categorization and treatment of "top of the triangle" or "Tier 3" students. Herein, we first discuss how such emphasis on situating individuals, rather than behaviors, within the continuum of supports is counter to the principles and goals of MTSS, as well as undermining efforts to support prevention and social justice. Next, we apply a critical lens to review the related literature on problem-solving, labeling, marginalization of disabled students, and discipline disparities to provide a rationale for equity-centered MTSS with corresponding recommendations for practice.