This report presents guidelines for use by architects, designers, and teachers in designing an environment that will complement and enhance the Montessori teaching method. The report provides a history of the Montessori Method, analysis of books written by Montessori and her followers, review of methods and settings, and a section containing interviews and inventories done in six Montessori schools in Milwaukee, Wisconsin. Proposed design guidelines, including adjacency suggestions, are offered for preparing the many unique environments defined by the Montessori method. Appendices contain school interview forms and pages describing "muscular education" from the book, "Montessori Method." (Contains 38 references.) (GR)