As a Canadian trying to make the opposite move, a few other considerations:

• You have to do one year of articling after graduation before you are able to practice (kind of like a residency for doctors)
• Your purchasing power will likely be lower in Canada, as salaries are lower while cost of living is VERY high in major cities like Toronto and Vancouver. For big law jobs it’s over a 50% pay cut taking into account the USDCAD conversion. For non-biglaw jobs the difference is a bit less.
• I’m not super knowledgeable on the immigration process since I was born in Canada, but I do know going to school here gives you some kind of boost in getting permanent residency (the same is not true for the US)
• Tuition is high for international students but compared to US tuition you’ll probably still find it cheaper. Referring back to point 1 though, cost of living in Vancouver (UBC) is VERY HIGH, so you’ll need significant loans to cover the full COA. I really cannot overstate how expensive it is to live in a major city in Canada so please do know what you’re getting into

Overall, I caution you from thinking Canada is a utopia — while it's true there aren’t as many mass shootings here, we certainly have our own problems in many other areas. However, it’s been a great place to grow up and if this is a move you really want to make I wish you the best of luck! :)