Harrison High School educates students from ninth grade to 12th grade.
In 2009, 96 percent of the senior class earned a Regents Diploma and 60 percent earned an Advanced Designation Diploma. Approximately 98 percent of the 2009 graduates were admitted to institutions of higher learning, with 80 percent of those to students at four-year institutions.
The school has a wide variety of co-curricular clubs and activities including athletics, Student Government, several bands and more. A full list is on the school's Web site.
James A. Ruck is the principal.