Typically you'd need a 99.2+ to get an early entry into primary education. However, if you are in a gateway school / are eligible for access schemes, this may lower it down to 95. Hope this helps!
Your estimated ATAR will likely be in the 65-75 range due to your solid marks in Mathematics Standard and Business Studies, but low Band 6 rates in other subjects and your school's lower ranking may impact your overall results.