In the story President Obama's National Address to America's Schoolchildren, Part A: Which statement identifies the central idea of the text?

A. Teachers should understand the some students come from difficult backgrounds, and teachers should support them more.

B. President Obama wants students to focus on education like he did so they will have the knowledge they need to run the country one day.

C. By Getting a good education, students can avoid repeating the same mistakes their parents made the prevented them from meeting their potential.

D. Focusing on education, despite any challenges one may face, is a personal responsibility and the key to nation's future success.

"President Obama’s National Address to America’s Schoolchildren" is a speech delievered by President Obama at the Wakefield School addressing to the students.

The central idea of the speech was that President wanted to encourage every student present to take their responsibility of learning. He states that the students should focus on their studies as it is the education that will define their future and not only theirs but the future of the nation as well.

He urged them to learn and educate themselves despite the challenges they face. He encourage the young audience by taking his own example of hardships and still having the desire to complete his education. He asserted that to get educated is not the responsibility of their parents, schools, etc but their own. He stated the importance of education, that it is education that will help them to know their talents as well.

So, from the given options the correct one is D.