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About

four students in a science lab and one is holding a plant and the other a magnifying glass

About

We are Harbor Day School.

Established in 1952, Harbor Day School is recognized as Orange County's first independent school. Harbor Day has earned a reputation for educational excellence with a comprehensive curriculum focused on encouraging the individual strengths of each student. Graduates become leaders in some of the finest high school and university programs in the country. Our alumni are a diverse and inclusive community thriving in business, law, medicine, entertainment, sports, and the arts, to name a few. For them, Harbor Day is a home of lasting memories and lifelong friendships

Harbor Day’s motto, “Gradatim ad Summum” or “Step-by-step to the top,” encompasses the school’s mission and allows for steady personal progress, which in turn develops our eager, collaborative, and creative students who are prepared for the future.

Harbor Day At-a-Glance

Testimonials

A young boy in a dark blue collared shirt sits in the foreground, with a blurred background of a bright, modern room with large windows.
Student in blue shirt speaking about the school
A woman with short brown hair and glasses, wearing a black shirt, sits in front of a blurred background of a modern office with large windows.