St. Grace

What if Violet follows after her godfather into the veil but instead of reuniting her parents and godfather as she thought, she goes back many years back in time, and with permission from the then headmaster Dippet enters Hogwarts as a fifth year, then befriends the friendly magi zoologist , Newt Scamander, and Leta Lestrange, what do you think will happen ? will Violet be able to go back ?