Welcome to the RtI homepage for Early Literacy RtI Planning and Assessments Click on a tier below to view associated resources. Tier 3 Tier 2 Tier 1 SFUSD ELA Academic RtI Definition and Recommendations SFUSD ELA Academic RtI Definition and Recommendations Questions? Email the RtI team at rti@sfusd.edu This page was last updated on November 28, 2023