Are you ready to put on your hiking shoes, lather your skin in bug spray, and join the adventure club? Forest School is not for the faint at heart. I recommend parking at the Huntington Park parking lot (waypoint listed), then taking the trail to one of the other two listed waypoints which indicate where you can cross the ravine via a sturdy, fallen tree (see gallery images). To my knowledge, there is no clear trail from the south/west side of the ravine so I recommend starting from the north/east.
You will know Forest School when you see it.
The cache is a camouflaged pill container. Bring your own pen!
There are mosquitoes and itch-inducing plants in this area.