A get-tough attitude prevailed among educators in the 1980s and 1990s, but research shows that zero-tolerance policies don't make schools safer and lead to disproportionate discipline for students of color.
In much of India, getting enough water is a low-tech affair. In some places, women draw water by hand; in others suicide rates among farmers have risen because drought and dropping water tables make their lives difficult.
Research shows good teaching makes a big difference in how much kids learn. But the United States lacks an effective system for training new teachers or helping them get better once they're on the job.
Before the civil rights movement, African Americans were largely barred from white-dominated institutions of higher education. And so black Americans, and their white supporters, founded their own schools, which came to be known as Historically Black Colleges and Universities.
Vocational education was once a staple of American schooling, preparing some kids for blue-collar futures while others were put on a path to college. Many experts say it's time to bring back career and technical education.
Just 20 percent of college-goers fit the stereotype of being young, single, full-time students who finish a degree in four years. College students today are more likely to be older, part-time, working, and low-income than they were three decades ago.
Researchers have long been searching for better ways to learn. In recent decades, experts working in cognitive science, psychology, and neuroscience have opened new windows into how the brain works, and how we can learn to learn better.
Most test-takers hope the GED will lead to a better job or more education. But critics say the GED encourages some students to drop out of school. And research shows the credential is of little value to most people who get one.
Learning with a personal tutor is one of the oldest and best ways to learn. Hiring a tutor for every student was never a realistic option. Now, new computer programs can customize education for each child.
Digital technologies and the Internet are changing how many Americans go to college. From online learning to simulation programs to smart-machine mentors, the 21st-century student will be taught in fundamentally new ways.
College students spend a lot of time listening to lectures. But research shows there are better ways to learn. And experts say students need to learn better because the 21st century economy demands more well-educated workers.