Society of Heads
（重定向自SHMIS）
The Society of Heads, formerly the Society of Headmasters & Headmistresses of Independent Schools (SHHIS), or "S of H", is an association of Headmasters and Headmistresses of various types of independent schools in the United Kingdom, and was formed in 1961. Members include heads of single-sex and co-educational day and boarding secondary schools, specialist music, dance, and performing arts schools, and special schools for children with learning difficulties. The association's headquarters are based in Market Harborough, in Leicestershire, England.