In 1976, a tuna sandwich at the school canteen set you back 24 cents. Now it’s a falafel wrap for $9

“If there are a lot of fast food outlets around a school, children are more likely to consume that,” she said.

More students now had more access to mobile phones than previous generations, which also made them more susceptible to online junk food advertising.

“There needs to be more regulation, we can’t expect the young people to make healthy food choices when they’re bombarded with junk food advertising,” Partridge said.

According to Department of Education data, schools in…