Signs as teachers.

The hardass: A

The cool teacher: B

The cute, friendly teacher: C

The weird as fuck teacher: D

The clueless, scared one: E

Aries: A

Taurus: B

Gemini: B

Cancer: E

Leo: A

Virgo: E

Libra: C

Scorpio: D

Sagittarius: B 

Capricorn: A

Aquarius: D

Pisces: C