ALT Graphic titled ‘Essential Components of MTSS: Multi‑Level Prevention System.’ Diagram shows data‑based decision making at the center, connected to screening, progress monitoring, and a multi‑level prevention system, with surrounding elements including leadership and policy, culturally responsive practices, communication and collaboration, evidence‑based practices, and professional capacity. Includes Center on Multi‑Tiered System of Supports logo and the website mts4success.org

ALT Graphic titled ‘Multi‑Level Prevention System Overview’ describing three tiers of MTSS. Tier 1 (Core Programming) provides universal instruction for all students to prevent poor learning outcomes. Tier 2 (Supplemental Intervention) provides targeted interventions for students needing additional support. Tier 3 (Intensive Intervention) provides intensive interventions for students with ongoing needs or who have not responded to Tier 2. Includes a link to mts4success.org for free training materials on multi-level prevention system, with Center on Multi‑Tiered System of Supports logo.

ALT Read, White and Blue - Celebrating 250 Chapters of America - Celebrate Literacy Week 2026.

ALT Infographic titled “Essential Features of Tier 3 Intensive Intervention.” It lists eight key features in blue and white boxes with icons: Prioritized for 3–5% of students identified as most at-risk. Interventions are individualized based on student data, including diagnostic data. Interventions are more intensive than Tier 2. Provided by adequately trained staff with relevant background. Group size and dosage are optimal based on student age, needs, and research. Aligned with Tier 1 on a case-by-case basis. Ongoing family communication and engagement. Progress monitoring occurs weekly, followed by regular teaming. Footer includes AIR logo and text: “Center on Multi-Tiered System of Supports, mtss4success.org.”