The Association of School and College Leaders (ASCL), formerly the Secondary Heads Association (SHA), is a UK professional association for leaders of schools and colleges. The Association of Head Mistresses (AHM) was founded in 1874. The Headmasters' Association (HMA) was founded in 1890. The Secondary Heads Association was formed in 1977 by the amalgamation of these two organisations. In 1983, deputy heads were allowed to join with other senior teaching staff following in the early 1990s and business managers in 2005. By 2005, two-thirds of the membership were not heads but other senior staff, and the association also had a membership in the college sector, so the name was changed in January 2006 to the current name. More information...
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