Athenian School

Private secondary school in Danville, California Athenian School2100 Mount Diablo Scenic Blvd.Danville, CaliforniaUnited StatesInformationTypePrivate, college-preparatory, independent, day, and boardingEstablished1965Head of schoolJay RobertsGrades6-12Enrollment528NicknameOwlsWebsitewww.athenian.org The Athenian School is a co-educational, college preparatory boarding and day school located in Danville, California. Students in grades 6-12 attend classes on a 75-acre campus in Contra Costa County. The school was founded by Dyke Brown in 1965. As of 2025, the school has an enrollment of 528 students in the middle and high school. Approximately 60 students and 18 teachers live on campus full-time. The student to teacher ratio is 8:1 and the average class size is 15. According to Niche, Athenian is ranked 147th on the 2020 list of Best Private High Schools in America and the number one school in Contra Costa County. Athenian is also ranked as the 40th best boarding school in the United States. Athenian holds an average SAT score of 1385 (out of 1600) and an average ACT score of 32. According to Boarding School Review, this gives Athenian the 8th highest SAT score of any boarding school