New Rochelle High is the largest high school in the county, offering more than 240 courses, including honors, research and advanced placement. It is known for being one of the most diverse schools in the United States, with students representing more than 60 countries from around the world. With more than 3,000 students and a sprawling campus situated behind a huge lake, it has a college-like feel. In addition to rigorous academics, the school houses its own planetarium and museum of arts and culture.