This document outlines an agenda for a professional development session on using the Sheltered Instruction Observation Protocol (SIOP) model to plan effective lessons for English learners. The session objectives are to examine the SIOP components and discuss how language objectives can develop English proficiency. Participants are divided into groups to participate in vocabulary matching and self-assessment activities related to the SIOP model. The document also provides an example lesson using Chamorro language to help participants experience being language learners.