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
Colleges of the University of Oxford Antony's, St Cross and Wolfson only admit postgraduate students. All Souls admits only Fellows. Harris Manchester is intended for "mature students" with a minimum age of 21. In 2018 it was announced that a new, non-residential, graduate college of the University would be established using the premises of the Radcliffe Science Library, opening in 2020. Kellogg and St Cross are the only Oxford colleges without a royal charter. They are officially societies of the university rather than independent colleges and both are considered departments of the university for accounting purposes. The Oxford University Act 1854 and the university statute "De