Being very good at science subjects, I stood a good chance of gaining highgrades.
我很擅长理科科目，所以很有可能得高分。
《柯林斯英汉双解大词典》
2
I just keep studying to get highgrades.
我不断学习以获得高分。
3
They can also compare their results with others, opting for making their profile public bringing them publicity and building a reputation especially if the student has highgrades.