Children who understand that the brain can get smarter — who have a growth mindset — do better in school because they have an empowering perspective on learning. They focus on improvement and see effort as a way to build their abilities. They see failure as a natural part of the learning process. In contrast, students who have a fixed mindset — those who believe that intelligence is fixed — tend to focus on judgment. They’re more concerned with proving that they are smart or hiding that they’re not. And that means they tend to avoid situations in which they might fail or might have to work hard.
Many studies show that children who have a growth mindset respond differently in challenging situations and do better in school over time.
From mindsetkit.org