Who is the schoolmaster in the class of twelve constellations?

Scorpio is a schoolmaster. Scorpio has a high IQ and is willing to study hard. He doesn't know how to understand. He is sloppy in front of others and works hard behind others. He will succeed as long as he wants to do it. Virgo is also a schoolmaster. Virgo is born to pursue perfection. She and he will consider everything carefully. Their thinking is very strong, meticulous and logical. Such a person can't be arrogant for learning.