Go to your Writers Notebook. Yes, your writer's notebook in docs. Add an entry for today. That entry should be the beginning of a novel that starts in this room. You are the protagonist of this novel that starts in this room. You must include details about the room that relate to the sights, sounds, smells and feel of this room. Taste might even be a factor too, (but please don't lick your desk or any classmates.)
As of today you should be hitting 40%, yes 40%. If you are having trouble hitting your word count adding more details to your novel can help. Describe your settings in detail and watch your word count soar.
Read more about adding details.