Flintridge Sacred Heart Academy is a private Catholic all-girls high school located in Flintridge, California.

Founded in 1931, the school maintains high standards in both education and administration, aiming to cultivate students’ character and grace. It is situated near downtown Los Angeles, boasting a prime location with a pleasant climate and a beautiful campus equipped with top-tier teaching facilities, making it an ideal learning environment.

The school offers education for grades 9 through 12 but does not admit students directly into grades 11 or 12. Its curriculum includes core academic courses, approximately 25 AP classes, and a wide range of electives to meet diverse academic interests. However, Flintridge Sacred Heart Academy does not offer language support programs, so prospective students are expected to have a sufficient level of English proficiency.

The boarding program provides a family-style living environment for both domestic and international students, encouraging multicultural integration and broadening global perspectives. It is also known as one of the schools with the highest enrollment of minority students in the United States.

Graduates of the school often go on to attend prestigious universities such as the University of California system, the University of Denver, and New York University, achieving notable success in various fields.