Talking to your professors is very important. Ask questions when you are unsure of things.
Bring spices from home. Some spices are very hard to find in Canada.
Memorize the bus schedule and which terminals you need to be at.
Don't sign a cell phone contract immediately after arriving. Study each provider and determine which plan works for you. Providers are Rogers, Bell, Fido, Virgin, and Sasktel.
Rent a 'short-term' living space first. These places usually have everything in them already. Then, after you've arrived in Saskatoon, you can look for a place to live yourself, since you never know what the place will be like until you see it yourself.
Research Saskatoon, its weather, the cost of living, and bring things suitable to what you find out.
Try to find people from the same country as you and make contact with them for their advice.
Settlement workshops are a helpful way to learn about health care and immigration.
The ISSAC is organized and very prepared to help all international students. Even if you don't know anyone at U of S or in Saskatoon, ISSAC can be a good friend, guiding your way and introducing you to people.
Wait till you are in Canada to buy your winter clothes: boots, hat, gloves, scarf, and a heavy winter jacket.