Segerstrom High School is a public high school in Santa Ana, California, and is part of the Santa Ana Unified School District (SAUSD). The school opened in fall of 2005 with a freshman and sophomore class. Wealthy landowner Henry Segerstrom - for whom Segerstrom High School is named - is a familiar name in Orange County. The land upon which Segerstrom High School is built was purchased from the Segerstrom family, who once grew crops on these acres.