Here is a link to the Homepage of the Austrian Ministry of Education to all curricula of the Austrian schools. Unfortunately this homepage is in German.
This information was sent in 2021 by Wolfgang Schläglmann,
ICMI Representative for Austria
If you have updated information, please contact Nuria Planas Raig <Nuria.Planas@uab.cat> or the ICMI Country rep from your country: https://www.mathunion.org/icmi/organisation/our-members/icmi-representatives.