Experience Camps, for young people ages 8 to 17, offers FREE camp programs for those who've experienced the death of a parent, primary caregiver or sibling. For one week, you get to be with other kids who get it about grief, and you'll definitely have a whole lot of fun and goofiness all week.
but it can suck a whole lot less if you have kind and helpful people in your corner, which is why GRIEF SUCKS exists in the first place. Below are even more resources that might help you