Sage Hill School 20402 Newport Coast Dr, Newport Beach, CA92657 Sage Hill School is a 30 acre campus located on Newport Coast. It is a private co-ed college preparatory school. This…More high school is for grades 9-12. There is a vast curriculum that includes dance, theatre, film, psychology, history, yoga, chemistry, Chinese and Latin. Class size is small, with an average of 15 students and no more than 20.