Over the following decades, the master's degree—renamed the Master of International Management (MIM) – came to dominate, while the undergraduate program was phased out (bachelors degrees ceased to be awarded by 1975). The school accordingly changed its name to the "Thunderbird Graduate School of International Management" (in 1967), and then to the "American Graduate School of International Management" (in 1973).
Over the subsequent decades, the master's degree in International Management (MIM) became dominant while the undergraduate program was phased out by 1975. The school changed its name from "Thunderbird Graduate School of International Management" to "American Graduate School of International Management."