Hillsboro High School is a public high school in Hillsboro, Oregon, United States, and is the oldest high school in the Hillsboro School District. The current campus was built beginning in 1969. Prior to this, the first campus opened in 1913 at 3rd Avenue and Grant Street; the second campus, built in 1928, was located downtown at 6th Avenue and Lincoln Street, where J.B. Thomas Middle School stood until 2009. Currently 1,195 students attend the school in grades 9–12. The official school colors are blue and white with red and black as accents, and the mascot is the Spartan.The athletics and activities of the school compete in category 5A's Northwest Oregon Conference under the Oregon School Activities Association.Alumni include professional soccer player Tiffeny Milbrett, hall of fame coach Ad Rutschman, and former professional baseball player Bob Beall.Hillsboro High's most recent team state championship came in 2017 for boys' swimming.As of 2016, the school's graduation rate was 79%.HistoryIn September 1908, tenth grade was added to the Hillsboro school district, with classes held on the top floor of the school. Eleventh and twelfth grades were soon added, and in June 1911 the first students to complete four years of high school graduated. This class totaled five students, consisting of four girls and one boy. In September 1911, the school added manual training and domestic science courses to the curriculum. That same year, voters approved of a $50,000 bond measure to pay for constructing a high school building, with construction completed in 1913 at a cost of $40,000 for the three story building. In 1913, the school graduated eight students. A gymnasium was built beginning in 1915. The school grew in size, with the 1920 graduating class totally 36 students, the largest number up to that time. As early as the 1910s, "Hilhi" was used as a coloquial name for the school; the 1917 annual yearbook featured the title "The Hilhi" on its cover.
