I really don't think that is a great idea because every student should have the some opportunities as others. I realise that if they want to be on any activities or on any sport they should be passing all their subject but not with a B or higher.

Look their are a bunch of students who are very talented and cannot be on sports or on any other activities just because of that policy that you have. I am not asking you a lot am just saying if you could please change that policy. Lets be honest there are a lot of students who really want to be on a sport or on any other activities and they are passing all their subjects but the only problem is that they are not passing them with straight B and that is not fear to them because they are trying their best to pass their subject and even doe they pass their subjects they are not able to play just because they don't straight B or higher. Looks those kids really