Reviews of professor Rat Scabbers

Rating: 2.0/5, difficulty: 3.0/5
Definitely not my favorite class, but easy enough to pass.

Rating: 1.0/5, difficulty: 5.0/5
Beware! Just don't take this class, it's the worst.

Rating: 5.0/5, difficulty: 3.0/5
Best teacher ever!

Rating: 3.0/5, difficulty: 3.0/5
Avoid this class!

Rating: 5.0/5, difficulty: 2.0/5
Favorite science class!