Germany

Yes, 320 is a very strong score for Germany. Most German universities look for a score around 300 to 310. If you have 320, you are well above average. It will help you get into top schools like TU Munich or RWTH Aachen. Focus more on the Quant score for engineering courses.

Germany and Australia both are foreign-friendly countries. The crime rate towards foreigners is very less. Germany and Australia both are secular countries. People are friendlier to foreigners and tolerant towards other cultures and traditions. You are free to practice your faith and celebrate your festivals in both countries and no one is going to object to that. Germans and Australians are liberal people, they respect other people's opinions and beliefs. All foreigners are treated equally before the law in Germany and Australia.