David Tuohy, of White House Road, Oxford, has been charged with four counts of sexual assault and four counts of a serious sexual offence.
The charges relate to a boy under the age of 13.
The offences are alleged to have taken place in the mid-1970s at Eccles Hall School, Quidenham, near Attleborough.
The school is now known as the New Eccles Hall School.
Mr Tuohy was bailed to appear at Norwich Magistrates' Court on Wednesday.