Born in Babylon into the high-priestly line of Aaron. He grew up in the Persian Empire, where he gained an education that combined the deep study of Hebrew Scripture with the administrative language of the Persian court.
Ezra was a "scribe well-versed in the Law of Moses." In his context, a scribe was not just a copyist, but a lawyer, a theologian, and a professor. He was a man of the Book.
He was formed by Academic Rigor. Ezra 7:10 gives the blueprint of his formation: "For Ezra had devoted himself to the study and observance of the Law of the Lord, and to teaching its decrees and laws in Israel."