Read the following context and choose the best option to answer the question.
Context: So , I skipped work today . Two reasons really . The first reason was I got an email last night that said the principal is moving me back to the math department because there are n't enough physics students to warrant having 2 teachers .
Question: What job did the narrator have up until today ?
Options: 
- None of the above choices .
 - Principal
 - Department head
 - Math teacher


None of the above choices .