Horizon High School is a public high school in Scottsdale, Arizona. The school is a part of the Paradise Valley Unified School District. It was constructed in 1980, and the current principal is Linda Ihnat. About 2,200 students are enrolled in the school.Extracurricular activitiesChoirThe Horizon High School Choir has about 400 students in the program. The different choirs include Concert Choirs, Women’s Choirs, Men’s Choir, Women's Elite, Town Criers and two Show Choirs (Show Divas and Step On Stage).