A 'college' in Oxford is a division of the University, rather than being an institution one would attend prior to attending the University.
They go hand in hand, not separately, so yes, you would have to be a member of an Oxford college (or Permanent Private Hall, which to all intents and purposes is the same as a college) to attend the University of Oxford. However, in applying to the University, you apply to a college, either of your choice or one allocated to you.
Dr. Seuss attended Dartmouth College, where he was a member of the class of 1925. He later went on to attend Lincoln College, Oxford as a Rhodes Scholar.
Hawking began his university education at University College, Oxford
She want to Oxford university and studied law.
University of Oxford
Oxford University
St. John's College, Oxford, England.
No, Sir Walter Raleigh did not attend Oxford University. He did not have a formal university education.
Louisiana governor Bobby Jindal attended Brown University. He also attended the University of Oxford, as well as the New College at Oxford.
Polytechnic University of Graz(, Austria) No Oxford
J.R.R. Tolkien attended Exeter College, Oxford University. He studied Classics and English language and literature at Oxford.
Polytechnic University of Graz(, Austria) No Oxford
for college he went to the University of Oxford