Volunteering provides a wonderful opportunity to acquire both hard and soft skills at no financial cost and it is invaluable for networking and enhancing job prospects.
Prospective employers are likely to be very impressed by a candidates willingness to "give back." Social responsibility is part of the business fabric today. The fact that these candidates have demonstrated their willingness to give back means that they are likely to be amenable to getting involved in company social responsibility initiatives.
School leavers are spoit for choice when it comes to volunteering: hospitals, small businesses, sole proprietors, schools, old age homes, libraries, NGO's, animal shelters, churches can be approached. Volunteer their services in exchange for the opportunity to learn.
Experience gained during a volunteer period should be included on your CV. It goes without saying that your CV should be well presented, easy to follow, truthful, brief and to the point.