Want to learn to be anarchitectural designer. Could you tell me if christchurch is only Ara to learn? Or what schools can I learn from?

Want to learn to be anarchitectural designer. Could you tell me if Christchurch is only Ara to learn?
Or what schools can I learn from?
Can you start with diploma and transfer credits to continue reading degree, or do you want to sign up directly for degree?
Have you ever learned anything before? How do you feel?