Oliver recently visited Haberdashers' Boys' Schools.
Oliver was met with Executive Principal, Gus Lock, and COO, Robb Dunn.
He was then joined by sixth form students, Jack Harris and Gavriella Epstein-Lightman.
Oliver said: 'Great to be back at Haberdashers' Boys' School and Haberdashers' Girls' School this morning.
'I thoroughly enjoyed speaking to Executive Principal, Gus Lock, and COO, Robb Dunn, about the schools’ successes.
'I was also pleased to take some difficult questions from sixth form students, Jack Harris and Gavriella Epstein-Lightman. I do hope I was able to provide some useful answers.'