Basketball - Girls' Varsity
1991, 1992, 1993, 1994, 1995, 1996 Housatonic Valley Athletic League Champions
1999, 2002, 2004, 2005, 2009, and 2010 New England Champions
Girls' Varsity Basketball is a Class D member of the New England Prep School Athletic Council (NEPSAC) and affiliated with the Housatonic Athletic League (HVAL).
Chase has won 15 league championships in the HVAL and CISAC leagues and six New England titles. Multiple student-athletes have gone on to play at a variety of schools from Division I to Division III.