text: Or maybe they could all play in the game but the one's with the higher grades can play more than the ones without the high grades. You might also say that they need a higher grade to do sports because you don't want the people falling behind and then having to kick that person off the sports team because they have a bad grade. You also might say that because you want to teach them that if they don't get good grades, they don't get to participate in good things like sports. The child could be trying their by golly hardest in school but they don't get good grades because of their tests and because they don't turn in their homework. But if the people or kids with the good grades only get good grades because they turn in their homework and they do good on their tests. At least they tried and you should give them credit for trying their hardest or just trying because in life you have to fail numerous times in order to succeed. Usually you can tell when someone is trying their hardest because you can see it in how they act and if they try to study and turn their homework in and at least try to get good grades and make an effort.