Hello, I am an international student studying in Canada. I wonder if I am a resident of Canada to be eligible for NETFILE?

If you are unsure of your residency status, you will need to contact the Canada Revenue Agency (CRA) and confirm it with them. If you are in Canada or the United States, you can call the CRA at 1-800-959-8281. If you are elsewhere you can call 613-940-8495. This page has more ways to contact the CRA: https://www.canada.ca/en/revenue-agency/corporate/contact-information/telephone-numbers.html