Not all teachers are gurus.

She was standing at the door, when her teacher threw at her, her handwritten script unread marked 50% which she gave it to her to read. Riya was waiting to hear something about the script she had spent days and nights on. She spent a month writing it, when other students were preparing for the exams. But Professor didn't utter a word. She ignored. She outcasted her. Without any reason, due to the prejudices of course that she was incapable enough to write that script. Riya was shattered and deeply hurt. 

She didn't feel like writing any more. She cried. She cried her heart loud, because she was not ready for this. She firmly believed that no teacher can be like that. Her friends cajoled her, tried to calm her, but she was enraged. No one could ever understand what agony was she smitten by. She respected all the teachers while other students bitched about them at their back. Teachers liked sycophancy too. 

Not all teachers are gurus. Some teachers are biased. They have an inclination towards their favorite students and they think of others(not so intelligent) as dumb-asses. It's the responsibility of a teacher to make that student feel comfortable who aren't that "intelligent". Ones who are that capable are already loved and liked by all the teachers.