This paper serves as a supplement to the "This School Works for Me: Creating Choices to Boost Achievement. A Guide for Data Analysts" report. This paper contains the following sections: (1) Initial Steps; (2) Developing Baseline District Facts; (3) Identifying Effective Options; (4) Identifying Effective Options: Preventative; and (5) Identifying Effective Options: Recuperative. [For the related reports, see "This School Works for Me: Creating Choices to Boost Achievement. A Guide for Data Analysts" (ED515666); "This School Works for Me: Creating Choices to Boost Achievement. An Implementation Guide for School District Administrators" (ED515665); and "This School Works for Me: Creating Choices to Boost Achievement. A Guide for America's School Leaders" (ED515670).]