Then you need to make sure to send the diploma/transcript from the school. If it does not state that the program was taken in English, then I believe you need to include a letter from the institution stating that the language was English.here is the lines from cic.gc.ca
Photocopies of your proof of English or French language ability if you are 18-54 years of age. Examples of what you can provide include the following:
my wife qualifies under point 2.
- results of a third-party language test;
- diploma, certificate or transcripts from a secondary or post-secondary education program in Canada or abroad, where the language of study was English or French
- proof that you have reached the Canadian Language Benchmark (CLB) level 4 or higher through a government-funded language training program