When did Alexandria became the center of education?

Alexandria became the center of education during the Hellenistic period, particularly in the 3rd century BCE. The establishment of the Great Library of Alexandria and the Mouseion, a research institution, attracted scholars from various regions, making it a hub for learning and intellectual exchange. This period marked significant advancements in fields such as philosophy, science, and literature, solidifying Alexandria's reputation as a premier center of knowledge in the ancient world.