Also sometimes called infants schools, Australia adopts the UNESCO term of primary school that generally covers a child's education from pre-Year 1) and finish with Year 6. The duration of primary school years varies across each Australian state and territory, with most adopting seven years; except in South Australia, where, until 2022, students finish with Year 7, making the duration of primary school eight years; until they are 11, 12 or 13 years of age. Primary schools focus on developing essential literacy, numeracy and social skills, and provide foundational knowledge to children about the world around them.