ɪnðə tˈuː θˈaʊzənd sˈɛvən tˈuː θˈaʊzənd ˈeɪt skˈuːl jˈɪɹ, ðə ɹˈɪvɚ ɹˈɪdʒ dˈɪstɹɪkt wʌz mˈuːvd ˌɪntʊ ɹˈiːdʒən ɹˌoʊmən fˈoːɹ bɪkˈʌz mˈɛnɪəv ðə fˈɔːɹmɚ ɡɹˈuːp ˌeɪˈeɪ mˈɛmbɚ skˈuːlz ɪnðə ɹˈiːdʒən hæd lˈɔst ɛnɹˈoʊlmənt ænd dɹˈɑːpt ˌɪntʊ ɡɹˈuːp ˈeɪ.
In the 2007–2008 school year, the River Ridge District was moved into Region IV because many of the former Group AA member schools in the region had lost enrollment and dropped into Group A.