Teachers and students There are usage summary + noun plural, but this time, people in the school as a noun meaning a plural, and it is not required to fill s again.
Teachers and students together to take brief There are + noun, plural, but in the course of this people is a noun with a plural meaning anyway. So do not fill the s
The teachers and students together summary using There are + plural noun, but in this course people noun plural meaningful. So you don"t have to fill s again.