Yes iT IS.
Firstly, Schoolwork is important because it helps students to practice and recap on what have been taught in class. From my experience, during Science classes, the teacher often takes up 80% of the lesson time saying or teaching things that you may understand in class. The problem with this is that this information that you have learnt or understand in class is being lose quickly after a short period of time, this is where homework comes in. Homework helps students to explore and to gain deeper understand in details of the subject where classroom time cannot permit us to do so due to time constraint. Homework helps to recap as well as to practice the points that are taught in class so that the brain can digests. This allows the memory to be retained in brain for a longer period of time. Therefore Schoolwork is important to assist students in their learning.