Can a US citizen skip the line to the US embassy on foreign soil by showing her passport even if she or he has come with a group of people?

Question

So, I am going on a field trip with my classmates to the US consulate in India, Chennai. One of my friends is a US citizen. We want to know if she can or cannot skip the line and go show her passport to the security and be let in first before the rest of our class.

Answer 1

I’ve been to embassies where there was one (long) line for visa applicants, and US citizens (who would generally either have an appointment, or be there because of an emergency) would be admitted immediately. None of that queueing system would apply to people going there for a field trip, since presumably other scheduling arrangements would have been made for the group.