For the 2026-27 school year, there are 25 catholic private high schools serving 8,565 students in Connecticut. You can also find more religiously affiliated schools in Connecticut.
The top ranked catholic private high schools in Connecticut include Canterbury School, Notre Dame Prep of Sacred Heart University, and Marianapolis Preparatory School.
The average tuition cost is $21,717, which is lower than the Connecticut private high school average tuition cost of $39,951.
Quick Facts (2026-27)
- # Private Schools: 25
- # Students Served: 8,565

















