The overall purpose of the national Head Start evaluation is to assess the impact, on the children and parents being served, of: the educational services component of Head Start, and a new demonstration program within Head Start, Basic Educational Skills. The evaluation deals with a total of 65 Head Start programs and their families. These appendices contain: (1) letters and information to the programs from the Administration for Children, Youth and Families, and NTS Research Corp.; (2) the program interview instruments; (3) the Alternative Classroom Environment Scales; (4) the site visitor training agenda; (5) a description of methods used to present the study; (6) the guidelines followed to hire field staff; (7) the site report booklet; and (8) the parent interview instrument. (BW)