ɪn tˈuː θˈaʊzənd twˈɛlv, mˈɪlz wʌz ɡɹˈæntᵻd ɐ sˈɪksjˈɪɹ ɐkɹˌɛdɪtˈeɪʃən θɹuː ðə wˈɛstɚn ɐsˌoʊsɪˈeɪʃən ʌv skˈuːlz ænd kˈɑːlɪdʒᵻz.
In 2012, Mills was granted a six-year accreditation through the Western Association of Schools and Colleges.