I don't think Zoey is going to get in the way of the MC's relationship with any of the main girls. If you stop to think about it, they all already have someone to get in the way of their relationship with the MC.
Josy: In a solo route, Maya and Tommy should cause problems.
Maya: In a solo route, Josy and Patrick should be the one causing the problems.
Sage: Possible leaked video of Jade, Chad & Troy if you don't tell her the truth, Tybalt and her relatives?
Jill: Bianca, the Royce family itself, Tybalt must try to disrupt their relationship. I don't think Rusty is against it.
Isabella: Jill if she's in love with the MC, Jill if she's not in love with the MC but wants to get in the way out of jealousy? (hard to believe, but...), possible return of James, James himself, the weird Stephen Burke with a bruised ego because a student won Bella's heart.
There's no room for Zoey to get in the way of the MC, at least not when it comes to her love life. She might get in the way otherwise, maybe she's linked to Vinny?