Can academic achievement affect your lot in life?

Yes and no,

There has been numerous studies to suggest that academic achievement can and will not help you. This is dependent on you skill and internal motivation. Success is dependent on a person's determination and aim to achieve that goal. Focus, attention and passion is needed to the pursuit of achievement. 

Afirefighter is a rescuer extensively trained in firefighting, primarily to extinguish hazardous fires that threaten life, property and the environment as well as to rescue people and animals from dangerous situations.  just cut some parts to make them shorter and add some of your facts or what describes them most. or what they are supposed to do.