Durham University there is no formal teaching at Durham colleges (with the exception of Cranmer Hall theological college within St John's), although colleges are active in research. The colleges dominate the residential, social, sporting, and pastoral functions within the university, and there is heavy student involvement in their operation. Formal dinners (known as "formals") are held at every college; gowns are worn to these events at just over half of the colleges. Gowns are not worn for formals at Collingwood, St Aidan's, St Cuthbert's, Hild Bede, Van Mildert, Stephenson or Ustinov. There is a great deal of intercollegiate rivalry, particularly in rowing
Ustinov College, Durham Since 1965, membership had increased to over 1500 and in 2003, the society was turned into a college and named in honour of the Chancellor of the University (1992–2004), Sir Peter Ustinov. The college's offices were moved from Old Elvet to the Howlands Farm site in September 2005. The college motto ("Diversitate Valemus") was coined later that year by Zu'bi Al-Zu'bi, President of the GCR. The Parson's Field site at the end of Old Elvet, which had been the heart of the community during its years as the Graduate Society, was handed over to St Cuthbert's Society in 2005 and