There are children who are afraid of school. Their parents are usually saying "What are you afraid of? Nothing bad will happen, don't worry!" and they are surprised that it doesn't help.
What is fear? Fear is a displeasing emotion, unpleasant experience with neurovegetative accompaniment, usually paleness, trembling, rapid breathing, heart palpitation, increased blood pressure and the readiness to defend or escape. Unlike anxiety, this is a normal response to real danger