Through the use of data collected from case studies, this book presents data on the Revised Primary Curriculum utilized in the Grade One Classrooms of two schools in Jamaica. The purpose of the study was to examine the Use and Concerns about the RPC by grade one teachers. The study was conducted through the use of the dimensions of the Concerns Based Adoption Model. The data presented in this book represents findings from an aspect of the author's PhD dissertation. Findings from 13 weeks of classroom observations of two teachers and interviews with the principals of each school are presented to provide the reader with a description of how the teachers utilized the RPC to provide experiences for their learners.