ID Card or passport (compulsory for destinations outside the EU) valid for six months after your return date.
An international insurance is compulsory.
VITEM IV student Visa. more info : http://cgparis.itamaraty.gov.br/fr/
Once on site, you will have to follow the procedures with the Brazilian prefecture within 30 days. You will need to obtain the “Federal Police Registration (RNE).
You are not allowed to work during your study stay. However, you can go on with an internship by changing your immigration status on site.