Do you have plans for college? Something that might help keep you focused is the long-term goal of getting accepted into the college of your choice. Knowing there are academic based scholarships might encourage you to work harder to get that homework done. My daughter hates homework but she does it because she's gotten 2 B's in her entire life - the rest have been A's and is currently on the Distinguished Honor Roll list. She doesn't want to slip. She's in 7th grade and if she can have that mindset at that grade, surely you can being in the 10th grade.
Disclaimer: I am only responsible for what I say, not what you choose to understand.