1- When you did the Mut’ah and you set the duration at one year, what did you have in mind? If you meant solar year then go by April 15. If you meant lunar year go by the 2nd of Ramadhan. If you don’t know, as a precaution, end the Mut’a on 2nd of Ramadhan and then do a new one
2- Muta mahar must have financial value. Pursuing education in the future would not be a valid mahar. Yes, that can be put as a condition in the marriage contract, but not as mahar