This document contains notes from an education psychology class about using data to guide school improvement efforts. It discusses criteria for principal evaluation related to planning with data, provides examples of how to analyze and use different types of data, and introduces models like Love's Data Pyramid for organizing data. The class covered constructing data pyramids, tools for disaggregating data, and developing a philosophy of assessment. Upcoming assignments include a reflection on school improvement plans and creating a presentation on the educator's data-driven philosophy.