A 34 year old senior English teacher, Mr Caine, killed himself, possibly accidentally, on 7 July 1964, being found by policeman James Martin.
32 year old history teacher Geoffrey Stevenson was the Liberal candidate for Gainsborough in the 1966 general election, gaining around 6,000 votes.
It became a comprehensive, as High Ridge School, in 1968 when the Scunthorpe division of Lindsey turned comprehensive. The school lost its sixth form in 1968.
Comprehensive
In August 1971 ten swimmers from the comprehensive school attempted a relay crossing of the English Channel.
Technical staff, who were educated at the former Scunthorpe Grammar school, were killed in the notorious Flixborough explosion in June 1974, such as 27 year old Michael Skelton.
In 2011 demolition of the old building began and construction started as part of the Building Schools for the Future programme. The new building was built by May Gurney and was completed in October 2013. The old hall is refurbished but still remains.
Headteachers
Scunthorpe Grammar School
John McIver from c. 1950 to 1968
High Ridge School
Gerald Derek Fish, until around 1984, he lived at Scotter, and he taught at Westcliffe Secondary Modern School in the 1950s
Mrs Ann Marsh-Edwards, from November 1984; in March 1996 she was diagnosed with ovarian cancer and died aged 53 on 15 November 1997
Eric Barker, from March 1996, the former deputy head, he retired at the end of May 1998 after 30 years at the school
Karen Parsonage, from September 1998 until July 2008, the former deputy head, and a squash player, from Scotter and an English teacher, she had previously taught at the Havelock Comprehensive in Grimsby
David Plowright, CBE, television producer, younger brother of Joan, Controller of Programmes from 1969 to 1979 at Granada Television (which helped his brother-in-law)