Tomales High School is located in the town of Tomales, California, United States. It is the comprehensive high school of the Shoreline Unified School District. It serves the western Marin and Sonoma County communities, stretching from the towns of Point Reyes Station and Inverness along Tomales Bay, running north past the fishing port of Bodega Bay to the mouth of the Russian River, a distance of nearly 50 miles, and widening 13 miles east from the west coast.