Effective MTSS implementation depends on more than just identifying student needs—it requires high-quality intervention materials that educators can rely on at every tier. Whether students need universal supports in Tier 1, targeted small-group interventions in Tier 2, or intensive individualized support in Tier 3, the right strategies and tools make all the difference in their success.

But not all interventions are created equal. The best materials are evidence-based, easy to implement, and adaptable to different learning needs. This article breaks down the role of interventions at each MTSS tier, explores what makes them effective, and highlights best practices for delivering structured, research-backed support in your classroom.

By understanding how to implement high-quality interventions, educators can create a responsive learning environment that ensures every student receives the support they need—when they need it most.

What is MTSS?

The Multi-Tiered System of Supports (MTSS) is a proactive framework designed to help all students succeed academically, behaviorally, and socially. Schools use MTSS to provide the right level of intervention based on student needs, ensuring early support before challenges become major barriers.

MTSS is structured into three tiers, each offering a different level of intervention:

• Tier 1 (Universal Support) – High-quality instruction and classroom-wide strategies that support all students.
• Tier 2 (Targeted Interventions) – Small-group interventions for students who need additional support.
• Tier 3 (Intensive, Individualized Support) – One-on-one interventions for students with persistent academic, behavioral, or social challenges.

A strong MTSS framework ensures that no student falls through the cracks by systematically identifying and addressing learning and behavior gaps.

How Do MTSS Tiers Work?

Each tier in the MTSS framework is designed to layer support, meaning students can move between tiers depending on their progress and needs.

Each tier includes evidence-based strategies that help students develop essential skills while ensuring educators track progress and adjust interventions as needed.

Tier 1: Universal Supports for All Students

Tier 1 interventions form the foundation of MTSS by ensuring that all students have access to structured, high-quality instruction. These supports prevent learning and behavioral difficulties by creating an environment where students can thrive.

Key Features of Tier 1 Supports:

• Evidence-based teaching strategies
• Clear classroom expectations and routines
• Positive behavior reinforcement
• Social skills and self-regulation strategies

Access free Tier 1 intervention materials →

Tier 2: Targeted Interventions for Extra Support

Tier  2 interventions provide small-group support for students who need additional help beyond Tier 1. These interventions focus on specific skills and offer structured support to prevent further academic or behavioral struggles.

Key Features of Tier 2 Interventions:

• Small-group instruction for targeted skill-building
• Progress monitoring to assess intervention effectiveness
• Behavioral and social-emotional support for struggling students
• Increased teacher and specialist collaboration

Access free Tier 2 intervention materials →

Tier 3: Intensive, Individualized Interventions

Tier 3 interventions are the most intensive level of MTSS, offering one-on-one supports for students who have not responded to Tier 1 and Tier 2 supports. These interventions are tailored to individual needs and often involve specialists, counselors, or IEP teams.

Key Features of Tier 3 Support:

• One-on-one instruction and intensive progress monitoring
• Individualized behavior and academic support plans
• Collaboration with families and support teams
• Self-regulation and executive functioning strategies

Access free Tier 3 intervention materials →

Get the Free MTSS Intervention Library

30+ No-Prep MTSS Resources for Every Tier: Get free, ready-to-use printable worksheets, intervention posters, and video lessons designed to support Tier 1, Tier 2, and Tier 3 interventions. Download the MTSS intervention library here →

Example resources you’ll receive:

• Following Directions Worksheet – Supports listening and multi-step instruction skills.
• Emailing Teachers Video Lesson – Builds self-advocacy and academic communication.
• Conversation Stoplight Activity – Reinforces turn-taking and social awareness.

A strong MTSS framework is more than just a system for identifying student needs—it’s a commitment to delivering high-quality, evidence-based interventions that help all learners thrive. When interventions are structured, targeted, and supported by high-quality materials, educators can ensure that students receive the right level of support before challenges turn into long-term struggles.

The effectiveness of MTSS depends not just on identifying the right tier of support, but also on the quality of the interventions used at each level. A well-designed Tier 1 approach ensures that strong foundational instruction reaches all students. Tier 2 builds upon that with targeted interventions that help students stay on track before falling behind. And Tier 3 provides personalized, intensive support for those with the most significant needs.

By integrating proven strategies, engaging instructional materials, and structured intervention plans, schools can create a more inclusive, responsive learning environment where every student—regardless of their challenges—has the tools they need to succeed. Accessing the right intervention resources makes a significant difference, empowering educators to confidently implement interventions that drive meaningful student growth.