He started out as a custodian. Now he's an assistant principal

He started out as a custodian. Now he's an assistant principal
Taras Petryshyn started out in Clifton Public Schools as a high school student, then a custodian. Now, he's about to start his first school year as an assistant principal in the same district.

Source: He started out as a custodian. Now he's an assistant principal How Insurance Companies Work?