Robert Amoroso, 64, now from Hampshire, lived in Clifton from 1979 to 2013, the period of the alleged offences.
Mr Amoroso was found not-guilty of two counts of sexual activity in the presence of a child.
On Wednesday he was cleared of 14 other charges, including indecent assaults, sexual assaults and sexual activity in the presence of a child.
Nottingham Crown Court heard the charges related to seven boys aged between 12 and 16.
A former teacher accused of sexually abusing boys in Nottingham has been cleared on all counts.