The next summer school/conference will take place in Ballarat, Victoria, Australia on 5-14 January 2024 with teachers from Cuba/United States and Vietnam.  This is a great opportunity for those wanting to learn or to improve their Esperanto.  For further details, refer: https://esperanto.org.au/eo/pri-ni/kongreso/.  Payment can be made in NZ$ to the New Zealand Esperanto Association.