Saint Mary's High School Campus is located at 5648 N. El Dorado Street in the City of Stockton.

From S/B or N/B Highway 99

Take the Hammer Lane exit westbound. West to El Dorado Street, turn left to southbound El Dorado. Travel approximately 1½ mile. St. Mary's High School will be on the left side.

From S/B Interstate 5

Take the Hammer Lane exit eastbound. East to El Dorado Street. Turn right to southbound El Dorado. Travel approximately 1½ mile. St. Mary's High School will be on the left side.

From N/B Interstate 5

Take the March Lane exit eastbound. East to El Dorado Street. Turn left to northbound El Dorado. Travel approximately ½ mile. St. Mary's High School will be on the right side.