In many cases, he has trouble keeping decent grades, but was once given an award for being the best student in the school.

All projects assigned to the students are designed such that a mastery of all four subjects is necessary for a decent grade.

She was unimaginative, but applied herself diligently and got decent grades.

Paris wasn't much of a scholar, though he'd managed to get decent enough grades at the Academy.

So after the first year they started clamping down, insisting that he register for some classes and make decent grades.

Somehow I managed to make it through and, ultimately, with some decent grades.

She's tried her best to be like other people: she has made decent grades, held a steady job and secured a place at a university.

She struggles in school but can earn a decent grade when she sets her mind to it.

Make them harder and make people learn more in order to get a decent grade.

They work to get decent grades, then do the cooking and cleaning.