As a general rule, requests to transfer school records to Portugal can only be made after September 12. First, the request must be made electronically, on the enrollment portal, and then as a parent or guardian you must go to the school where you wish to enroll your child, in order to formalize the registration of your child in the new school.
Transfer of school records in Portugal, how it works
Who can request a transfer of school records to Portugal?
In general, it's parents and agents...