I saw a thread before recommending several websites for writing assistance but I cannot find it now? I remember reading very good reviews of onlineG3 but we cannot use them as my son is in a charter school and the timing of the courses does not fit.

DS is very accelerated in math but writing could be better and he is interested in improving it before he enters high school.

I would appreciate a link to old threads discussing this same issue or if not then other recommendations. Thanks