The Healthy Eating in Schools (Nutritional Standards and Requirements) (Wales) Regulations 2013

3.  Milk based drinks provided to pupils in maintained schools or persons on the premises of maintained schools must comply with the requirements in Schedule 5.

Table A

Food Categories
Milk based drinks or yoghurts
Cereals – not coated or flavoured either alone or in combination with sugar or chocolate or cocoa powder.
Fruit and vegetables
Breads and toppings