Sonoma Academy is a dynamic coed, college preparatory high school providing a premier education to over 250 motivated learners from Sonoma, Marin, Napa, Mendocino, and Lake Counties. Sonoma Academy has a highly personalized academic environment, with an average class size of 12, one teacher for every ten students, and one advisor for every eight students.Our 34-acre campus is surrounded by over 1,000 acres of protected open space. Along with a rigorous curriculum, SA’s program offers opportunities to pursue arts, athletics, community service, international travel/study, environmental leadership, and digital arts.