Johns Creek High School is a public high school in Johns Creek, Georgia, United States, serving grades 9-12. The school is a part of the Fulton County School System. Its students primarily reside inside the city of Johns Creek, though the school also serves part of Alpharetta. Students from Autrey Mill Middle School attend Johns Creek. The school was opened in the fall of 2009 and as of 2017 has an enrollment around 2,076.