Opened in 1959 on the campus of the former Baxter Seminary and named for the school's long-time president, Dr. Harry Lee Upperman. A new building for the school was erected in 1976, which is now occupied by Cornerstone Middle School. The current school building opened at a new site in 2003.
Baseball
Championship Record: 12-11
Appearances (9): 2022, 2016, 2013, 1999, 1993, 1991, 1987, 1985, 1982
Finals Appearances/Runners-up (4): 2022, 1993, 1991, 1982
Championships (3): 2022, 1993, 1991
Boys' Basketball
Championship Record: 2-6
Appearances (7): 2021, 2020, 2014, 2002, 1999, 1997, 1983
Girls' Basketball
Championship Record: 18-6
Appearances (10): 2022, 2020, 2018, 2017, 2016, 2008, 2007, 2001, 1999, 1992
Finals Appearances/Runners-up (6): 2022, 2018, 2017, 2016, 2001, 1999
Championships (3): 2022, 2018, 2017
Bowling
Championship Record: 1-5
Appearances (5): 2020, 2018, 2014, 2013, 2012
Finals Appearances/Runners-up (1): 2012
Championships (1): 2012
Girls' Bowling
Championship Record: -
Appearances (0):
Finals Appearances/Runners-up (1): 2015
Football
Championship Record: 16-16
Appearances (16): 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2006, 2005, 1998, 1997, 1996, 1995, 1989
Girls' Golf
Finals Appearances/Runners-up (1): 2001
Girls' Softball
Championship Record: 3-2
Appearances (1): 2012
Girls' Volleyball
Championship Record: 1-2
Appearances (1): 2018