Question: When did Grammar school that Michael Handley was educated at convert to academy status?
Related documents: [0]  [DOC] Handley was educated at Spalding Grammar School; Selwyn College, Cambridge; and Chichester Theological College. After a curacy at Thorpe St Andrew he was Anglican Priest on the Fairstead Estate from 1966 to 1972. He was Vicar of Hellesdon from 1972 to 1981; Rural Dean of Norwich North from 1979 to 1981; Archdeacon of Norwich from 1981 to 1993; and Archdeacon of Norfolk from 1993 to 2002. [END] 
[1]  [DOC] Spalding Grammar School (SGS), fully known as The Queen Elizabeth Royal Free Grammar School Spalding, is a boys' grammar school located on "Priory Road" in Spalding, Lincolnshire, England, for pupils aged 11 to 18. In December 2011, the school was granted an "Outstanding" rating from Ofsted. The school converted to academy status on 1 February 2013. [END] 
Answer: 
1 February 2013
1 February 2013