I am somewhat expert at solid state physics but I don't have good marks in my both undergraduate and graduate careers because I have always been involved in details and delved into deep physical concepts rather than preoccupied by exams. I am now PhD student but my university never meets my expectations. I think (don't regard as my selfishness) my knowledge is beyond my university level and I feel I have to study in a high-rank university in Europe. What is the best I can do in this situation? Could anyone please help me?