sentences:  Several municipalities continue to operate under special charters that do not conform with the government formats prescribed by the current statutes.New Jersey's municipalities range in population from towns with from small single-digit or double-digit populations (as in Tavistock or Walpack Township) or cities in which of several hundred thousand persons reside (such as Newark, Paterson or Trenton).New Jersey distinguishes between regional, consolidated and countywide school districts and those serving single municipalities.