How does rolling admissions works when you haven't heard from other schools

I've applied to four physical therapy schools. Some don't even have deadlines until Dec 1, while others are rolling admissions. One school I applied to already is having me come in for an interview because they are rolling admissions. My questions are below: 1. If by some miracle I get accepted to the rolling admissions school when I haven't heard back from other schools yet, how much time would the rolling admissions schools give you to accept? Or would you have to accept immediately? 2.... How does rolling admissions works when you haven't heard from other schools
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums