What age would I most likely be? Would the school be mostly religious? Who is teaching me? Where do I live? How do I make money? What are the odds of there being women there? Are my classmates only rich? What career prospects would I have going forward? Would there be stoners? Would there be a hackysack equivalent?
While you're waiting for specific answers, check out these previous threads on the topic. The first one in particular might interest you:
I'm a university student in Cambridge or Oxford University at any time during the 1100s - 1700s. What's my life like? by /u/estherke and /u/FiveShipsApproaching
AMA: High and Late Medieval Europe 1000-1450 also by /u/estherke
What kind of 'Homework' or 'Assignments' would one receive being a university student in the middle ages? by /u/CorneliusNepos
How much did university tuition cost in Europe during the Middle Ages? and I'm a student at the University of Oxford in the 13th century. How was a typical class taught? by /u/Whoosier
If I attended the University of Pavia, Italy in 1370 and studied medicine there, what would I learn and how long would it take me to graduate? by /u/sunagainstgold