Study links pre-school to academic success

Researchers have been tracking 3,000 children since the age of 3. Those children are now 10 and the standardized test scores of those who attended pre-school tended to be higher than those who did not.

The study's findings showed the pre-school benefit held up regardless of economic status of the children.

The authors say their findings point to the benefits of nations such as the U.S. establishing universal pre-school programs.

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