Been meaning to submit this for the past few weeks and assume someone else would, but (from Apple):
We’re pleased to announce that Apple Developer Program membership is now available at no cost for eligible organizations based in Australia, Canada, France, Germany, Israel, Italy, Mexico, and South Korea. Nonprofit organizations, accredited educational institutions, and government entities that plan to distribute only free apps on the App Store can request to have their annual membership fee waived
You can request to have the annual Apple Developer Program membership fee waived if you’re a nonprofit organization, accredited educational institution, or government entity that will distribute only free apps on the App Store and is based in an eligible country. Apple will review your request and contact you to let you know whether your request is approved
Normally this is $149 AU a year.