You can win the shield if compete and prove yourself those who are also eager to win that. Indeed you have to study the things very deeply. Memorizing the answers is also a better way but if you are much confident to write it all on your own then surely the teacher can give all the marks you deserve. You can also ask the teacher how I can get the full marks and appeared as the position holder. Tips for better studies can be searched in the previous answered questions related to the same topic.