ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti fˈaɪv, ðə kˈɑːlɪdʒ bˈoːɹd ɐsˈuːmd lˈiːdɚʃˌɪp ʌvðə pɹˈoʊɡɹæm ænd tˈɛstɪŋ, dᵻsˈaɪdɪŋ ˌɔn kɜːɹˈɪkjʊlə ænd pˌɛdɐɡˈɑːɡɪkəl ɐpɹˈoʊtʃᵻz, wˌaɪl ɹᵻtˈeɪnɪŋ ˌiːtˌiːˈɛs tə dɪzˈaɪn ænd skˈoːɹ ðə tˈɛsts.
In 1955, the College Board assumed leadership of the program and testing, deciding on curricula and pedagogical approaches, while retaining ETS to design and score the tests.