An overview of the scholarship programs in the state of Baden-Württemberg can be found here: https://www.bwstiftung.de/bildung/programme/stipendien/
Pupils and trainees from low-income families can, under certain conditions, receive benefits according to the Federal Training Assistance Act (BAföG): https://www.service-bw.de/leistung/-/sbw/Ausbildungsfoerderung+fuer+Schueler+BAfoeG+beantragen-335-leistung-0