High School Students, Study | featured news

Teens who send sexually explicit texts or photos are much more likely than those who don't to be sexually active, finds a survey of Los Angeles high school students.

Students who are night owls have worse grades in high school and the beginning years of college, research has shown.

America's teens are using more marijuana and less alcohol, according to an annual government study of eighth-, 10th- and 12th-graders across the country. Some 6.1 percent of high-school seniors reported using marijuana this year, up from 5.2 percent in 2009, according to the Monitoring the Future survey released by the National Institutes of Health.