This booklet is intended to help mainstreamed mentally retarded, emotionally disturbed, or learning disabled high school students acquire a basic understanding of the responsibilities and working conditions of janitors and maintenance persons and to practice basic math skills necessary in the occupation. The first section provides a brief introduction to the occupation by focusing upon those job tasks of a janitor/maintenance person with which the student is likely to be familiar. The next two sections deal with the work environment of the typical janitor/maintenance person and the training, education, and experience needed for the occupation. Exercises addressing basic math skills used by janitors/maintenance persons are provided. Various suggestions are listed for students interested in further exploring the occupation of janitor/maintenance person. A glossary and answer sheet conclude the booklet. (MN)