The document discusses using data analysis to create systemic change in schools through a single plan for student achievement. It recommends identifying performance gaps and their systemic causes, then crafting systemic solutions like changing schedules or textbook purchases. Schools should create feedback systems for staff and professional development to monitor progress, making adjustments as needed. The goal is to increase awareness of challenges, engage stakeholders, and create lasting improvements in student achievement through strategic, evolutionary processes that build teacher capacity and shed ineffective practices. An example given is transforming school culture from one of low feedback and isolation to a highly collaborative one focused on motivating instructional strategies known to improve outcomes.