Which statement best describes the relationship between RTI and MTSS?

• A. RTI covers behavior only; MTSS covers academics only
• B. RTI and MTSS are identical approaches used interchangeably
• C. RTI is only for high schools; MTSS is for elementary schools
• D. RTI is a problem-solving framework for progress monitoring; MTSS is a broader framework integrating academics and behavior supports across tiers

Answer: (D)

At its core, RTI (Response to Intervention) is a problem-solving process used to identify students who need additional academic support and to guide progress monitoring and intervention decisions. MTSS (Multi-Tiered System of Support) is a broader, school-wide framework that organizes supports across multiple tiers for both academics and behavior, creating a unified system so all students can access appropriate interventions.

In practice, the RTI process for universal screening, data collection, and progress monitoring can operate within MTSS, which coordinates academic instruction with behavior supports (such as PBIS) across tiers. This makes MTSS the wider framework, while RTI functions as the specific data-driven, problem-solving component focused on academic progress.

Why the other descriptions don’t fit: RTI isn’t limited to behavior and MTSS isn’t limited to academics; they are not identical approaches, and RTI isn’t restricted to high schools—both can be implemented across grade levels.