The rural school had one of the lowest enrollment rates in Norfolk County, and had been considered for closure on several occasions, until September 2010 when they received over 200 students from Norwich Secondary School.
Port Dover Composite School was officially permanently closed on January 31, 2013. In response, DDSS has improved their academics programs in an attempt to keep transfer students from going to their rival Simcoe Composite School.[6] Advanced placement courses were made available for senior academic subjects. Busing for the Norwich area was kept intact; as they represented the northernmost traditional boundary for DDSS busing.[7]