Public primary schools only charge tens of Australian dollars (less than 100) for stationery such as paper every year. If there are financial difficulties, social welfare subsidies will provide parents with additional allowances to pay for this at the beginning of school. There are other donations, which can be paid according to personal economic strength, and can also be used as a tax rebate at the end of the year.
After technical secondary school (public), except for miscellaneous fees, it will be increased according to the situation of the school, and generally it will not exceed 300 (at present). Other donations, such as those from primary schools, are refundable.
The quality of education is still very different in the same public schools. You can check the ranking online.