Check with the office at your son's school. Many school systems have computer programs that allow parents to go on line and check grades without having to ask the teacher. The potential problem with this method is that it depends on the teachers putting the grades into the system in a timely manner. So, sometimes you may not get the full current picture. the upside is that you can see what is missing, and try to find out if the teacher's speed is the issue, or if your child has not done the work.