8. Cistercian Preparatory School
Cistercian Preparatory School is an elite, one of the best private high schools, all-boys, Catholic school located in Irving, TX. It has 349 students in grades 5-12 with a student-teacher ratio of 7 to 1. Tuition is $18,800 for the highest grade offered. After graduation, 100% of students from this school go on to attend a 4-year college.
