what is the mindset of a topnotcher?

Hello! I am aiming to be a top notcher but I do admit that I am not the smartest person in our batch or even in the room. I just know that I am not that smart to ace the exam without sufficient review. We had a pre-assessment and my score is only 50% while others already have high scores. I feel so left behind and really not smart.

When it comes to being a hardworker, I think I can put great effort but when I see my friends, I feel like my effort is subpar and insufficient.

What should be my mindset to keep on going? Can I become a topnotcher?