This document provides guidelines for preparing and checking school forms according to Department of Education Orders. It outlines the process for identifying learners, encoding data in the Learner Information System, preparing forms like the SF1, SF4, SF5, and SF10. It describes validating enrollment counts and grades against LIS data. It also discusses sampling classes for checking, preparing checking reports, and summarizing the goals of DO 11, 2018 which aims to ensure accurate data in LIS is the single source of truth.