UofT experimental psych PhD. They didn't tell me it is a formal interview, I am just assuming that. Doesn't the full schedule look like a formal interview? LOL, I am international student as well!
mine is similar as yours. But mine is more like a formal interview, because I need to meet soooo many profs and current grad students.... also wondering how many ppl are participating the recruitment event and how many offers are they planning to give. Btw, did you receive any possible question for the interview?