And the angels on high took Izhak and brought him into the school (medresha) of Shem the Great; and he was there three years. And in the same day Abraham returned to his young men; and they arose and went together to the Well of the Seven, and Abraham dwelt at Beira-desheva.
Angels Carried Isaac to the School of Shem
Targum Pseudo-Jonathan on Genesis 22:19