...campground staff training, RV technician training, RV park management schools, and other classes and training programs of particular interest to working RVers and work campers.

RV Technician Training

Training to become a Certified RV Technician is available through the Recreational Vehicle Dealers Association (RVDA) and the Recreational Vehicle Industry Association (RVIA). Camping World also has a training program.
RVDA -- www.rvda.org
RVIA -- www.rvia.org 
Camping World RV Institute -- www.cwrvi.com

Campground Staff and Management Training

The National Association of RV Parks and Campgrounds (ARVC) offers schools, seminars, and training materials. These range from hands-on management courses to continuing education publications.   
ARVC -- www.gocampingamerica.com/arvc/infoedu.html 

Related Links:

National RV Park Institute --  website with information on NRVPI's campground management school.
http://www.campgrounds.com/nrvpi 

An alternative to volunteer work camping. Working RVers earn money while RVing.