I sent email to Ministry of Ontario regarding financial assistance to international students last year. They replied me in detail, it might help you.
Reply from Ministry of Education (Ontario):
The Ontario government does not offer any financial assistance to international students at the undergraduate level. However, a limited number of scholarships are available at the graduate level. You will find information on the Ontario Graduate Scholarship program on the ministry's website at:https://osap.gov.on.ca/OSAPPortal/en/A-ZListofAid/TCONT003465.html#P50_2527
A list of scholarships for non-Canadians can be viewed on the Government of Canada International Scholarships website at:https://w01.scholarships-bourses.gc.ca/scholarshipnoncdn-boursenoncdn.aspx?lang=eng
You will also find information on scholarships for international students on the following website at:http://www.studycanada.ca/english/scholarships_canada_international_students.htm
You may want to visit the online resource centre offered by the Government of Canada, which lists scholarships, bursaries, awards, grants, and other forms of financial assistance that are supported by private sector and not-for-profit organizations at:http://www.studentawards.com
You may also wish to check with the department of education in your country to find out if it participates in programs where financial assistance is offered to students by international organizations.
You will find information for international students who want to study in Ontario on the ministry's website at:http://www.tcu.gov.on.ca/eng/postsecondary/study/
The Association of Universities and Colleges in Canada (AUCC) website also has useful information for international students planning to study in Canada:http://www.aucc.ca/programs-services/