Multi-Tiered Systems of Support (MTSS) is a popular educational framework that helps schools proactively identify and address student needs. The integrated instruction and interventions of MTSS are delivered to students by varying intensities through three tiers of support based on student needs. This resource makes the case that using Literacy Toolbars as a bolt-on learning acceleration strategy can help school districts realize the goals of MTSS—ensuring that every student has the resources they need to make progress and find success in school.