According to math goodies, " So why aren't teens getting enough sleep? For one thing, they are staying up late. A variety of things can contribute to this night-owl tendency among teens, including social life, caffeinated drinks, electronic media such as computers, TVs and cell phones. Other factors include procrastinating on homework, and even depression. Adolescent work schedules are also a concern. Teens who work more than 15 hours a week at a job have less time for sleep."

According to Wikipedia, "All the New England colonies required towns to set up schools, and many did so. In 1642 the Massachusetts bay colony made "proper" education compulsory; other New England colonies followed. Similar statutes were adopted in other colonies in the 1640s and 1650s. The schools were all male, with few facilities for girls. In the 18th century, "common schools," appeared; students of all ages were under the control of one teacher in one room. Although they were publicly supplied at the local (town) level, they were not free, and instead were supported by tuition or "rate bills."

According howtolearn.com The main point of learning statistics is not for a student to pass a statistics exam – but to have the skill to assess probabilities and risks in his or her future life.

Examinations only reveal what knowledge a student is able to display on a particular day – usually after considerable revision. They don’t assess theskills, habits and attitudes she’ll need for success in her life. Habits like curiosity and persisting to overcome problems, and skills like being able to learn effectively and being able to analyse problems logically and create practical solutions.

Retention of knowledge is schooling –the development of learning and problem solving skills and a love of learning is education. The main point of learning statistics is not for a student to pass a statistics exam – but to have the skill to assess probabilities and risks in his or her future life.

Examinations only reveal what knowledge a student is able to display on a particular day – usually after considerable revision. They don’t assess theskills, habits and attitudes she’ll need for success in her life. Habits like curiosity and persisting to overcome problems, and skills like being able to learn effectively and being able to analyse problems logically and create practical solutions.
Retention of knowledge is schooling –the development of learning and problem solving skills and a love of learning is education.