First, I just gotta say, poster projects teach design skills. Next, it's unfortunate the situation you and your kid are in, especially since it's my understanding that NB has one of the most progressive education systems in Canada. If you are going to actually switch to unschooling, just be sure to take into account all the repercussions this could have for your child, from the socializing aspect of schools to the college and job opportunities of the future. There's a lot to take into account, and be sure that your kid is certain that he actually wants to do it as well.