Almost all universities abroad are public universities. And contrary to the situation in Middle Eastern and Asian countries, the public universities are better than private ones. Of course, they are usually some of the best universities in the country and are not community colleges, which are something to be wary of.
Canadian Universities
University of British Columbia
University of Toronto
McGill University
Australian Universities
Charles Sturt University
Griffith University
University of Adelaide
University of Melbourne
University of Newcastle
University of Queensland
University of Sydney
University of Western Australia
Even though I have not gone through every university, I did a bit of reading and I think you will need to take up an extra A-Level subject, preferably A-Level Mathematics.