This document is a guide that outlines the impact of Lexia products on student reading skills, emphasizing the necessity of fidelity in their implementation. It explains that when students consistently meet their personalized weekly usage targets for Lexia Core5 Reading and Lexia PowerUp Literacy, they experience significant improvements in literacy, which in turn helps close achievement gaps within districts. The guide presents data indicating that during the 2022–2023 school year, 86% of students using Core5 with fidelity advanced at least one grade level. It details how usage targets are determined based on students' grades and risk categories, which are updated automatically. Additionally, it discusses the progress made by students in various skill zones, highlighting that 86% of students meeting usage targets advanced at least two zones. The document also includes insights from educational professionals on the practical use of Lexia reports for monitoring progress and data sharing.