In childcare if the kid is still learning and being toilet trained, will the teachers carry on with it or just change diapers?

You should communicate with teacher about your child's progress in potty training. The teacher in cc will carry on in potty training. You can point out to teacher on what are the problems faced in potty training at home too. My daugther very fast in adapting using toilet in school due to peer influence as her kindergarten teacher brings whole class to toilet during recess time (she was 2.5 years old).