K12 Plus Glossary: 504 and RTI/MTSS Terms
A glossary of common 504 and RTI/MTSS terms used throughout K12 Plus, including accommodations, tiers, and compliance terminology.
This glossary defines common terms used throughout K12 Plus in the context of 504 plans and RTI/MTSS workflows.
504 Plan Terms
504 Plan - A formal plan that provides accommodations to a student with a disability to ensure equal access to education, under Section 504 of the Rehabilitation Act.
Accommodation - A change to how a student accesses instruction or demonstrates learning, documented in a student's 504 plan.
Annual Review - A required yearly meeting to review a student's 504 plan and confirm accommodations remain appropriate.
Three-Year Re-Evaluation - A comprehensive review every three years to determine continued 504 eligibility.
Change Agreement - A process used to formally amend accommodations between scheduled reviews.
Manifestation Determination Review (MDR) - A required meeting when a student with a 504 plan faces disciplinary action, to determine whether the behavior was related to the disability.
Procedural Safeguards - A document outlining parent and student rights throughout the 504 process.
RTI/MTSS Terms
RTI/MTSS - Response to Intervention / Multi-Tiered System of Supports, a framework for increasingly intensive support based on student need.
Tier - A level of intervention intensity. Tier 1 is core instruction; Tier 2 and 3 are more targeted and intensive.
Intervention - A specific instructional or behavioral strategy with documented frequency, duration, and group size.
Progress Monitoring - Ongoing data collection to track a student's response to an intervention.
Service Request - A request submitted by a teacher or staff member to initiate a 504 or RTI/MTSS process.