The school's mascot is a mountain lion (Mountie).

In 2015, Newsweek magazine ranked Suffern High in the top 500 high schools in the United States at number 439.

[4] Suffern High School offers many honors level classes, AP classes, and classes affiliated with the Syracuse University Project Advance program, the University of Cambridge, and SUNY Albany are offered as well.

The following sports are available at Suffern (boys and girls teams are available unless noted):[5] On March 11, 2012 Suffern High School won the New York State Public High School Athletic Association (NYSPHSAA) state Hockey championship.

In March 2024 Suffern HS Hockey team, The Mounties, became Hockey New York State NYSPHSAA Division 1 Champions.