Hello Fattemo,
Many of the active users of this forum are applying to social work schools so wouldn't necessarily know the answer to your question. Historically, there have been changes in the content and style of social work training, as it naturally modernises. I believe a good portion of the content is mostly fixed by the accreditation requirements on the programme. You may want to ask your question to other professional organisations or groups, such as CSWE or deans of social work.
good luck!