Sentence:  There will be no mitigation of these offences until all art schools , whether independent or attached to universities have separate accreditation - as do medical schools - by an art <WSD>accreditation</WSD> group such as the `` National Association of Schools of Art '' . 
Meaning of the word marked with <WSD> tags:  the act of granting credit or recognition (especially with respect to educational institution that maintains suitable standards)