ɪn dʒˈænjuːˌɛɹi nˈaɪntiːnhˈʌndɹɪd nˈaɪnti ˈeɪt pˈoːɹɾɪdʒ sˈɛntɹəl hˈaɪ skˈuːl, ɐlˈɔŋ wɪð pˈoːɹɾɪdʒ nˈɔːɹðɚn hˈaɪ skˈuːl, bɪkˌeɪm ɐn əfˈɪʃəl ˌɪntɚnˈæʃənəl bˈækɐlˌɔːɹiːˌeɪt ˌaɪbˈiː wˈɜːld skˈuːl, ɡˈʌvɚnd baɪ ðɪ ˌɪntɚnˈæʃənəl bˈækɐlˌɔːɹiːˌeɪt ˌɔːɹɡɐnᵻzˈeɪʃən.
In January 1998 Portage Central High School, along with Portage Northern High School, became an official International Baccalaureate (IB) World School, governed by the International Baccalaureate Organization.