Twilight never would have thought she would have willingly decided to go back to Crystal Prep. But with Dean Cadence becoming the Principal of CPA and encouragement from Sunset Shimmer and the other Rainbooms, Twilight goes back with the promise to keep in touch with Sunset Shimmer and her new friends.

No actual suicide.

Link to cover art here: https://derpibooru.org/images/3105264