Jane Goodall's Lesson plans
I acknowledge that we're Montessori Eclectic in nature as a homeschooling family but my goodness I just keep loving on the Montessori.
I have been comparing ~N~'s progress against this S&S: http://www.macomb.k12.mi.us/utica/lrn_link/ele_09/page1.htm
and Graham's finishing up compared against this: http://www.macomb.k12.mi.us/utica/lrn_link/ele_10/page1.htm
the next in line is http://www.macomb.k12.mi.us/utica/lrn_link/ele_11/page1.htm
G has already begun her natural inroads into studying cultures, so I'd have to say we're well into her "elementary" phase already.