Yes, you can use multiple Ocs/Characters/People ^^

Student:
Name
Age
Gender
Species
Sexuality
Looks
Personality
Likes
Dislikes
Other
Crush/relationship
Sibilings
Weapon of choice
Powers (if any, max of 2)

Teacher
Name
Age
Gender
Class
Species
Sexuality
Looks
Personality
Likes
Dislikes
Other
Power:
Weapon of choice:
Sibilings