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The problem is that your plan hinges on a first step - getting the student visa - that may likely get refused. Therefore, not much of a plan.

I suggest you start by looking at the application package for spouses. Pay careful attention to what they require in terms of documentation of your relationship.

Again, if you want to apply for the student visa first, it's up to you. But it may be a waste of time and effort that could be applied to getting the outland PR application ready. (Note that most of the application package for outland is the same as what you'd need for inland, so preparing that won't be wasted time)

what a pain.. ok great advice
 
The problem is that your plan hinges on a first step - getting the student visa - that may likely get refused. Therefore, not much of a plan.

I suggest you start by looking at the application package for spouses. Pay careful attention to what they require in terms of documentation of your relationship.

Again, if you want to apply for the student visa first, it's up to you. But it may be a waste of time and effort that could be applied to getting the outland PR application ready. (Note that most of the application package for outland is the same as what you'd need for inland, so preparing that won't be wasted time)

she can totally get a student visa and arrive to Canada
 
If you're confident of that, go ahead. But then why bother asking others for their views?

there are multiple options, touristic visa, student visa, outland inland sponsorship so need to know all to make better decision
 
She can also totally be refused a study permit, especially for ESL, and not be able to come to Canada.

I know she can be refused for ESL, Study Permit but it worth trying. If she gets rejection then outland spouse sponsorship is the only choice