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Multi-Tiered Systems of Support (MTSS)

MTSS as a Framework to Build Equity in Washington and Close Opportunity Gaps  

OSPI is committing to the implementation of a Multi-Tiered System of Supports (MTSS) as the approach for aligning our systems and priorities to tackle Washington’s persistent opportunity gaps. MTSS is the framework for enhancing the adoption and implementation of a continuum of evidence-based practices to achieve important outcomes for every student. MTSS involves teambased leadership; continuous data-based decision-making; student, family and community engagement; and the delivery of a continuum of evidence-based instruction and support.  

To be successful, our education system needs to intentionally engage our students, families, and communities in the development and provision of supports available throughout the state. The multi-tiered approach, which has been tested and validated in the education field internationally for three decades, involves the delivery of universal evidence-based instruction and supports to all students, additional supports to some, and intensive supports to those who need them.  

To be most effective, MTSS requires alignment at all levels, from the state to the classroom. At the Office of Superintendent of Public Instruction (OSPI), we have begun the challenging but important task of aligning our MTSS efforts across departments. OSPI is working to build and deliver consistent professional development and technical support across each area of the state, adhering to research and consistent with implementation science. By doing this, OSPI will work with our regional and local partners to provide a cascade of support that creates the conditions necessary for each and every student to realize their full potential.  


Chris Reykdal 
Superintendent of Public Instruction 

View the full Washington State OSPI MTSS framework.

This framework of proactive, tiered supports for students reaches many areas of our ongoing work in the Issaquah School District, which are represented in the visual framework below.

For more information about areas of our MTSS efforts, please visit these departmental pages for more information: 

Positive Behavior Social-Emotional Support (PBSES)



MTSS Triangle - Equitable Outcomes for ALL students