The No Child Left Behind Act of 2001 (NCLB) was a U.S. Act of Congress promoted by the Presidency of George W. Bush. It reauthorized the Elementary and Secondary Education Act and included Title I provisions applying to disadvantaged students. It mandated standards-based education reform based on the premise that setting high standards and establishing measurable goals could improve individual outcomes in education. To receive federal school funding, states had to create and give assessments to all students at select grade levels.

George W. Bush's tenure as the 43rd president of the United States began with his first inauguration on January 20, 2001, and ended on January 20, 2009. Bush, a Republican from Texas, took office following his narrow Electoral College victory over Democratic incumbent vice president Al Gore in the 2000 presidential election, in which he lost the popular vote to Gore by 543,895 votes. Four years later, in the 2004 presidential election, he narrowly defeated Democrat nominee John Kerry, to win re-election. Bush served two terms and was succeeded by Democrat Barack Obama, who won the 2008 presidential election. Bush is the eldest son of the 41st president, George H. W. Bush.