The ninth series of the British television drama series Grange Hill began broadcasting on 7 January 1986, and ended on 1 April 1986 on BBC One. The series follows the lives of the staff and pupils of the eponymous school, an inner-city London comprehensive school. It consists of twenty-four episodes.
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The ninth series of Grange Hill was released in the UK by Eureka Entertainment on DVD on 19 October 2020 in an eight DVD set alongside series ten and the 1985 Christmas special.
The ninth series was also added to the UK streaming site BritBox in January 2022.