The Zertifikat Deutsch für Jugendliche / telc Deutsch B1 Schule is the right exam for school pupils who already have a basic knowledge of German. It is a general language exam, using topics that are of interest for young people.
The Zertifikat Deutsch für Jugendliche / telc Deutsch B1 Schule is recognised as proof of sufficient language competence for a German citizenship application.
For adults at the same level we recommend Zertifikat Deutsch / telc Deutsch B1. For professional purposes the best exam is telc Deutsch B1+ Beruf.