Edited sentence: Students are restricted from leaving the site within the day due to "security" and "health and safety".The main criticism comes about products such as "Chicken Joes" which are chicken wrapped with vegetables.The pricing policy in the school canteen has been criticized by past and present students.The school holds a monopoly with the food services supplied within the school.This has meant the school can charge any prices as there is no competition.This product is priced at £1.70 where an average student is supplied with £2-2.50 per day by parents as "dinner money"