Amazing response to using kahoot quizzes in class. It really is worth a go because the interface is so clear.  It also shows a leader board after each question, as well as the usual option to show a summary at the end   If your school has a no mobile policy, this may persuade your managers to change it.  Or students can use tablets and PCs.

To make the quiz, teacher uses https://getkahoot.com

To play the quiz, students go to kahoot.it