“First and most importantly, you need to make sure that all your students are accounted for.”

You're an administrator at a school. You're giving a presentation to the teachers about your school's plan for what to do in an emergency. You start by telling them the most important point:
First and most importantly, you need to make sure that all your students are accounted for.
clauses,
disaster,
emergency,
lists,
natural disasters,
plans,
presentation,
teachers 

