Which is the best programming language for server side

Question

I am writing this question because I my 5 more friends are preparing our school web site and server

Answer 1

totally depends on,
generaly i would say php, but you could aslo program your site with languages like c# (asp.net)

lets say it depends on what you want to do, pls be more clear

Answer 2

you can use node.js if you are familiar with Javascript.