I am in a course of this school because of same reason as yours. I was looking for a school to brush my skill up and improve perfomances at my work. It suits what I wanted and giving me a diploma.
It might be the best, but it worth to take look as an option.
Very reasonable no interest on install payment but has a discount on onetime payment. They will provide you Student ID card and official receipt for tax purpose. You can credit the amount for your tax return.
ICS ( International Career School)
http://www.icslearn.ca/index.html?semkey=D001155
ICS CANADA
IS ACCREDITED.
Accredited by the Canadian Education and Training Accreditation Commission (CETAC). ICS Canada is also a member of the National Association of Career Colleges (NACC).
I hope this info will help you.