There is a huge range of study options available for you to become a teacher. The Teaching Council website has a list of the approved qualifications that will lead to Teacher Registration. The approved qualifications can be found here: Current ITE Programmes leading to Teacher Registration :: Teaching Council of Aotearoa New Zealand.
Once you’ve chosen a course, contact the relevant tertiary provider. They'll be able to give you more information about their qualifications, entry criteria, application forms and study dates.
TeachNZ provides a number of scholarships for people wishing to qualify as a teacher in Aotearoa New Zealand.
You must be studying an approved teaching qualification to be eligible for a TeachNZ scholarship.