fɹʌm skˈuːl jˈɪɹ fˈɪfti nˈaɪn sˈɪksti tə skˈuːl jˈɪɹ sˈɪksti tˈuː sˈɪksti θɹˈiː, ɡˈɑːɹnɪt vˈæli ɛɡzˈɪstᵻd æz ɐ dʒˈuːnjɚ hˈaɪ skˈuːl hˈaʊzd ɪnðɪ ˈoʊld kəŋkˈoːɹd ˌɛlɪmˈɛntɚɹi skˈuːl bˈɪldɪŋ ˌɔn bˈɛθəl ɹˈoʊd fɔːɹ ɡɹˈeɪdz sˈɛvən θɹuː nˈaɪn.
From school year '59-'60 to school year '62-'63, Garnet Valley existed as a Junior High School housed in the Old Concord Elementary School building on Bethel Road for Grades 7 through 9.