Great insight regarding referrals and knowing who is providing the service, Brenda. This may be solved by tying it into an existing business as Helder suggested it below. Some organizations that provide similar services (like TaskRabbit - http://taskrabbit.com) allow you to read reviews of service providers and allocate your task to someone who has a skill set and personality that matches your needs. It also ranks individual providers based on number of tasks completed. An added benefit of being able to assign your task to a person of your choice is that service providers have to bid on the tasks, making the prices very competitive. Not sure if TaskRabbit has been brought up before, but it is a model that seems to work pretty well.
The culinary world really knows how to do it right - I recently discovered Junior Masterchef Australia - although it is a reality show, it is surprisingly successful at educating children between the ages of 9-12 on food and the hospitality industry. It ensures that they have their basics right so that they can go on to become successful chefs/ retaurant mangagers. It's especially important because children don't really have any other outlets from which they can pick up these skills. Judging by the display of talent I saw on this show, I have no doubt that each and every one of them could one day be successful in the culinary field.
I definitely agree that reality-based education is a great tool when used to supplement traditional education. There are many similar models which have been successfully implemented on a smaller scale, but I have yet to see a large scale version of this attempted. I wonder if it can turn out to be too costly in terms of money or infrastructure or time taken to organize - can large, public universities or schools implement this?