He was an exhibitioner at Christ's College, Cambridge, where he read chemistry and anthropology.
From the guardian.co.uk
He went to Oxford where he became the Elton exhibitioner, and was elected Fellow of Balliol College in 1936.
From the en.wikipedia.org
He was educated at Ampleforth College and Trinity College, Cambridge, where he was first a history exhibitioner and then a senior history scholar.
From the en.wikipedia.org
More examples
Exhibitor: someone who organizes an exhibit for others to see
At the universities of Dublin, Oxford and Cambridge, and at Westminster School, Eton College and Winchester College, and various other UK educational establishments, an exhibition is a financial award or grant to an individual student, normally on grounds of merit. ...
A student at secondary school or university who has been awarded an exhibition. The exhibition usually involves a financial prize and may include the right to wear a distinctive gown, especially at the University of Oxford