Fenwick
St. Viator High School is a Roman Catholic co-educational secondary school in Arlington Heights, Illinois.
In terms of academics, the answer is far and away St. Patrick (follow link below). It's the only Catholic school that made the Tribune list of best Chicago area high schools, and the only Catholic school that posts test scores that rival places like New Trier and Chicago Latin school.
Seton Catholic Preporatory High School in Chandler.
The best private high school in Arkanasas hands down would have to be Little Rock Catholic High School.
yes there are so many military academic schools in illinois,carver military high schools was one of the best school in illinois
Bishop Watterson High School
Lakeshore Catholic High School was created in 1988.
Maricourt Catholic High School was created in 1957.
Illinois High School Association was created in 1900.
Ridgewood High School - Illinois - was created in 1960.
Hampshire High School - Illinois - was created in 1838.
Woodstock High School - Illinois - was created in 1921.