There are framework curricula in every federal state, where the aims are set. Every school is responsible to carry out the curricula and to establish its own concept to do so.
The curricula for general education schools and vocational schools in Rheinland-Pfalz can be found here: https://lehrplaene.bildung-rp.de/
The curricula of the vocational schools in Rheinland-Pfalz can be found on the website: https://berufsbildendeschule.bildung-rp.de/lehrplaene.html