Descriptions of scholastic competitions for Marin County (California) students are presented. Following a rationale for conducting scholastic competitions, community groups and businesses which lend support are listed along with the type of support given. Participating grade levels, dates of competition during the 1983-84 school year, and a brief description are given for each of the following five competitions: (1) spelling bees; (2) countywide science fair; (3) San Francisco Bay Area Science Fair; (4) mathematics competition or mathletes; and (5) the Marin/Sonoma Counties Academic Decathlon. This document was selected by the Association of California School Administrators (ACSA) Task Force on Public Confidence as descriptive of a promising practice or exemplary project worthy of highlighting for the California educational community. (DC)