The payment is designed to help ease cost-of-living pressures
the money will be made available as credit ... towards educational expenses in certain categories
The money can not be put towards school fees or used for household expenses
it appeared the $400 payment would cover uniforms, excursions and sports activities, but not laptops
So, seems to cover things that many hard-up families probably aren't paying for already, which means this won't ease the cost of living pressure for them at all.