This handbook describes the responsibilities of district and school assessment coordinators in the administration of the Pennsylvania System of School Assessment (PSSA). This updated guidebook contains the following sections: (1) General Assessment Guidelines for All Assessments; (2) Writing Specific Guidelines; (3) Reading and Mathematics Specific Guidelines; and (4) Science Specific Guidelines. Appended are: (1) Sample Parent/Guardian Flyers; (2) PSSA General Description of Scoring Guidelines; (3) Additional Materials Request Forms; and (4) Index.