in page/persons-home all user levels should have visibility except beginner to persons home (layout in the page editor) (settings)>> visible to " ".
and also in pages>> persons home in studio, make a block that gives the beginners their own view, (visible for beginners only, and no other levels.) put it at the top, you will probably need to make custom sql entries for this, since things like bx_post_entity etc i do not believe can be forked into multiple display levels like that by default,
i think using the html or raw skeleton would be best for this. although i have not done this myself..
this is a question best suited for LeonidS, or alex t...