Academic Development
Abstract thinking, problem-solving, and planning skills develop.
9-12 Years
Pre-AdolescenceThey are in a period of discovering their identity, deepening friendships, and developing academic skills. We are here to help them gain self-confidence, responsibility, and healthy habits.
What Happens in This Period?
Key milestones across your child's developmental areas
Filter by period and developmental area, or search.
Popular Topics
Digital Life & Safety
Sub TopicsScreen time & balance · Phones & first devices · Video games · Social media · Artificial intelligence · Parental controls & choosing apps · Online safety
Latest Content
Video Game Rules for Kids: Screen Time and Healthy Gaming (Ages 6–18)
Ending game time mid-match creates unnecessary conflict. Here is how to plan exits around rounds, set parental controls on devices, and protect kids from unwanted purchases and chats.
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Safe Apps for Kids 9–12
Learn how to evaluate apps for children ages 9–12 with a repeatable family review process that balances fun, learning, and safety without over-reliance on store labels or premium controls.
ReadTools for this age
See AllCalculators, schedules and checklists — sign in and the results are saved to your child's profile.
Baby and child sleep scheduleHow much should your child sleep in 24 hours, and when should bedtime be? Calculate it from official guidance and compare it with your own log.Screen time by ageSee how much screen time a day your country's official body recommends at your child's age; add daily use to compare it with the advice.Child Height Predictor & Genetic Target Height CalculatorHow tall will your child be as an adult? Enter both parents' heights to calculate the pediatric mid-parental target height and expected adult height range using the Tanner and AAP formulas.
