This collection of Lexile materials and resources can be utilized by teachers, administrators, coaches, and PLCs. In the educational realm, it is important to understand the value of using Lexile data to drive instruction. By educating students on what Lexiles are and how they help to measure their personal reading ability levels, we are giving them the tools to understand where they are academically in regards to reading. Many summative assessments have Lexile measures embedded in them. These resources should enable educators to fully understand what Lexiles measures are, how to utilize them in the classroom, how to use its data to drive instruction, and how to give students a tool to formatively assess themselves.