James I. O'Neill High School
James I. O'Neill High School is a public high school in Highland Falls, New York. It serves students from the communities of Fort Montgomery, Garrison, Highland Falls, and West Point. History. James I. O'Neill High School opened in 1971, replacing the existing Highland Falls High School on Mountain Avenue in Highland Falls. In 2019, contracts were awarded for the first major improvements to the school since its original building, including new playing fields, tennis courts, and classroom improvements.