It's the holidays at the moment, but when you're at school, do you ever think about the classroom you're working in?
Well, a study by the University of Salford thinks that what your classroom is like can play a big part in how kids do at school.
In fact, it thinks the right classroom could boost kids' performance by as much as a quarter.
So what is a good classroom?
Sohail goes to a school in Manchester where their classroom is designed to give kids the best possible chance.