The document outlines the appraisal and professional development advancement system (PDAS) calendar and procedures for teachers at Bel Air High School for the 2009-2010 school year. It details the observation period from September to April, deadlines for self-reports, and timeframe for summative conferences. Scoring criteria and levels of performance are defined. The criteria for two domains of instruction are also listed. Guidelines for teacher responses and requesting a second appraisal are provided, including deadlines and procedures. Teachers are directed to complete self-reports through the Eduphoria online system.