A CAAW (Confirmation of Appropriate Accommodation and Welfare) is a document required by the Department of Home Affairs if you are an under 18 student applying for a student visa. It confirms that you have arranged suitable accommodation and welfare arrangements for the duration of your stay in Australia. The CAAW is typically provided by the educational institution or a guardian, ensuring your safety and wellbeing while studying in Australia. This document is an essential part of the visa application process for international students under the age of 18.