Complex sentence: In 1981 Farmer became Deputy Head of Dick Sheppard School, a mixed comprehensive in Brixton, was subsequently appointed its Head Teacher at the age of 33, and was described as the Inner London Education Authority's (ILEA's) youngest head.
Split into simpler sentences: In 1981 Farmer became Deputy Head of Dick Sheppard School, a mixed comprehensive in Brixton. He was subsequently appointed its Head Teacher at the age of 33 and was described as the Inner London Education Authority's (ILEA's) youngest head.