Here are some useful and interesting sites for you and your child:
Canadian Parents for French (local NL page)
Canadian Parents for French (national page)
A French site for French teens, appealing to the pop cultural interests of your French learner.
A Quebec science site that appeals to students who have particular interest in science.
For enriching vocabulary through pictures (with pronounciation!)
Rainbow Schools toolbox - an Ontario site that has many useful links to help with homework for students.
BonPatron - A grammar checker that gives indications of why mistakes have been made and how to fix them.