ɚɹˈɪdʒɪnəli ɐ pˈɑːɹt ʌvðə dɪoʊsˈiːz ʌv tɹˈɛntən, sənt. tˈɑːməs ˈækwɪnəz hˈaɪ skˈuːl dʒˈɔɪnd ðə nˈuːlifˈɔːɹmd dɪoʊsˈiːz ʌv mˈɛɾʌtʃən ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi wˈʌn.
Originally a part of the Diocese of Trenton, St. Thomas Aquinas High School joined the newly-formed Diocese of Metuchen in 1981.