Fidelity First: The Key to Unlocking MTSS
Implementing multi-tiered system of supports (MTSS) can improve student outcomes (Anderson et al., 2025; Harlacher et al., 2024; Nitz et al., 2023) This includes increasing students’ academic achievement, having better behavioral outcomes, and enhancing student engagement and belonging. But to have a successful MTSS framework, educators must implement practices with fidelity.