 He was a self-identified Roman Catholic educated by priests when he was a boy.Celdran graduated from high school at Colegio San Agustin – Makati.He graduated from the University of the Philippines Diliman with a fine arts degree, and from the Rhode Island School of Design with honors and a performance art degree in the 1990s, during which time he also worked various jobs "from cheese-counter boy to fish-station boy, from production assistant of a performance group, to technical director of a dance company".