CommonLit is a free collection of fiction and nonfiction for 3rd-12th grade classrooms. Search and filter our collection by lexile, grade, theme, genre, literary device, or common core standard.
Teen Brain Takes Biggest Sports Hits
Katherine Harmon discusses the effects of head injuries on the teenage brain.
Teenagers Who Don’t Get Enough Sleep at Higher Risk for Mental Health Problems
Tori Rodriguez discusses the impact that not getting enough sleep can have on teenagers’ mental health.
The New Era of Positive Psychology
Martin Seligman discusses the development of “positive psychology” and how people can lead happier lives.
How Small Fibs Lead to Big Lies
Researchers test to see if telling small lies leads to telling bigger lies.
The Keys to Happiness: Partly Genetic, But You Control the Rest
New research explores how genetics and personal choices contribute to a person’s happiness.
Bullying in Early Adolescence
Dorothy L. Espelage
This research digest explores the roles that peers play in promoting bullying in adolescence, beyond the role of “bully” and “victim.”
Different types of coping mechanisms can be used to deal with stress, which can yield both positive and negative results.
Life After Sport
After retirement, high performance athletes are at risk for depression and loss of self-identity. What can be done to overcome this challenge?
Nice Kids Finish First: Study Finds Social Skills Can Predict Future Success
A recent study shows that children who demonstrate more ‘pro-social’ skills – those who share more and who are better listeners – are more likely to have jobs and stay out of trouble as young adults.
Men and Women Use Different Scales to Weigh Moral Dilemmas
When researchers analyzed the responses of thousands of men and women to various moral dilemmas, they found that decision-making methods often vary by gender.
You Can Buy Happiness, If It's An Experience
According to a study published in Psychological Science, when we spend money on experiences rather than materials, it can indeed bring people joy.
Maslow's Hierarchy of Needs
Psychologist Abraham Maslow suggested that human beings are driven by a progression of universal needs.
Freud's Theory of the Id, Ego, and Superego
This famous theory of the structural model of the human psyche posits that humans are controlled by their unconscious mind.
Maybe Mean Girls' Mental Games Have a Purpose
New studies focusing on aggression in females shed light on stereotypes and realities for women.
The Bright Side of Sadness
Science News looks at recent studies suggesting that negative emotions might have some positive benefits.
The Distracted Teenage Brain
Alison Pearce Stevens
A 2014 study reveals that teenage brains are more likely to be driven — and distracted — by rewards than adults'.
Fear Prompts Teens to Act Impulsively
Why do teens have a reputation for rebellion? Neuroscience might have the answer.
Stress for Success
Alison Pearce Stevens
Many view stress as a burden, but it can also be a useful emotion.
A Teen and A Trolley Reveal Society's Dark Side
A high school senior's social science experiment reveals society's ugly hidden biases.