there is no online course,
there are online tutorials,
and online assistance,
but no online course that will certify a hunter, with good reason,
the test is easy and only part of it,
character is another element that cannot get tested online,
your local conservation agency, may have courses not listed online,
try contacting them and see what they have.
who regulates hunting in your state?
thats one thing you should know, where you can start to contact for info