The high number of fast food outlets near schools is thought to be a factor in the childhood-obesity epidemic sweeping the Western world.
The problem has prompted the Secondary Principals' Association of New Zealand (Spanz) to call for restrictions on what dairies near schools can sell during certain hours.
Also read the article from research done by Canterbury University. Go to the catalogue and search for American Journal of Preventive Medicine. The full reference for the article is
Day, P. L., & Pearce, J. (2011). Obesity-Promoting Food Environments and the Spatial Clustering of Food Outlets Around Schools. American Journal of Preventive Medicine, 40(2), 113-121