However, students who do too much homework and children who don’t do any homework do not increase in their academic achievements. What experts have found through numerous studies is that in order to increase their grades students have to have the right balance of homework.hat this means is that some homework is required for students to excel academically, but it has to be just the right amount. One thing that many people do not realize is that doing too much homework can have a negative impact on a child’s health, and not just because it increases their stress levels.