The applications for school transport can be found under the following link. These are valid for all pupils in the districts of Mittelsachsen and Zwickau as well as the Erzgebirgskreis. There you will also find further information on school transport and a guide.
Here you can find the current applications
Contact ZVMS:
Zweckverband Verkehrsverbund Mittelsachsen (Central Saxony Transport Association)
School Transport Department
Am Rathaus 2
09111 Chemnitz
Phone: +49 371 4000888
Email: post@vms.de
Website: https://www.vms.de
Information on student transportation by SIS can be found in the following document. It contains information on transportation as well as further explanations and regulations.