What is the importance of recitation in class?

The importance is to be serious and imagine that you are standing in front if Allah. also dont think of anything but the Quran.(try to speak loudly) also remember to do wadu! or it doesn't count!

By reciting the Qur'an in class, it helps one's recitation as you practice reading out loud and the teacher or mu'allim can help and correct your memorization. In order to learn all the tajweed rules, having a good teacher and good class is essential.