Welcome to the website of COSA which is dedicated to former members of the City of Oxford School, George Street, Oxford also known at times as the City of Oxford High School for Boys and the City of Oxford High School.

We aim to provide information and news of interest to ex-pupils and ex-teachers and to facilitate contact amongst them.


We have introduced COSA Updates (Editor: Malcolm Williams, contact at williams.malcolm@sky.com) which are emailed to Old Boys on a regular basis. These have an immediacy that is proving popular, because Old Boys can respond to them straightaway.

The annual membership fee for Full membership of COSA is £10. Life membership is £50. The website is dedicated, however, to all former members of COS, whether or not they decide to become Full members of COSA. Updates are sent to all Old Boys with an email address. Newsletters are produced twice a year for Full Members and these include the Notice of the Annual General Meeting and the invitation to attend the Autumn Reunion Dinners/Lunches.


The COSA Constitution can be found in the Members’ Area