Where did the author attend high school as noted in the memoir, Undocumented?

The author attended, Collegiate, a private high school that required him to travel to Manhattan from Spanish Harlem every day during the week to go to classes. As he portrays his situation, he was only able to go to Collegiate as the result of scholarships awarded to him in consequence of his significant academic achievement. His time at Collegiate affirmed his interest in classical studies, as well as his general worth as a scholar.