student - various category

students is defined in different ways in differnt countries. for example we can see in the following countries.
Australia
In Australia, after kindergarten or preschool, children begin primary school, starting with 'grade prep' (in New South Wales the first year is called 'kindergarten', and in South Australia the first year is called 'reception') and continuing 'year one', 'year two' through to 'year six', except in Western Australia, South Australia and Queensland, where they go through to 'year seven'. They then move on to secondary school (also known as high school) for 'year seven' ('year eight' in Western Australia, South Australia and Queensland) through to 'year twelve'. Year eight to ten's are all refered to as juniors and year eleven and twelve are refered to as seniors. After year twelve, students may pursue tertiary education at university or TAFE. Children in primary and secondary school are all referred to as students. The term student is used for all learners including those in primary school, secondary school, and university/TAFE.