Concord Preparatory School is a private boarding and day school in Costa Mesa, California, serving grades 9-12 with a 1:6 faculty-to-student ratio and personalized academic planning. The school offers Early College, STEM, and Business pathways, with graduates admitted to top universities including Yale, UC Berkeley, and Columbia. Families interested to Apply Private High School California can review admission steps, requirements, and timelines directly through Concord's official admissions page, guiding both domestic and international applicants.