link to ClassBrain Home  Link to Teaching Tools  Link to Reading Room  link to ClassBrain Home  Link to Parents and Teachers Monthly Grb Bag  Link to My Brain  Link to School Matters  Link to Money  Link to Teaching Tools
Reading Room Home 
Columns - Political
Daily Smile
In the News & On The Net
Parent & Teacher Posts
Parent Pamphlets
Reading Lists
Reviews - Books
Reviews - Books for Children
Reviews - Books for Teens
Reviews - Products
Virtual Books
Technology in the Classroom
 plug-in page link  link to ask classbrain



Last Updated: Jan 10th, 2011 - 11:11:15

Parent Pamphlets  

Children: How They Grow, Elementary School Children Ages 9 to 12
By Karen B. DeBord
May 3, 2008, 11:48 PST

[Get PDF of this document]This guide is also available in Portable Document Format. Click the PDF button to the left to get it

Children: How They Grow, Elementary School Children Ages 9 to 12

Karen B. DeBord
Department of Human Development and Family Studies, University of Missouri-Columbia

Children in the age group 9 to 12 years (middle school-aged) are becoming "preadolescents." In addition to the changes going on physically, mentally and socially they are also beginning to develop serious ideas about their plans for careers.

If children are confident and feel positive about themselves toward the end of this period, they are better prepared to move on to take more risks and gain a better understanding of themselves in adolescence.

Physical development

  • Growth in weight and height continues at a steady rate. Some children experience a growth spurt and enter early adolescence.

  • Children begin to experience body changes (hips widen, breasts bud, pubic hair appears and testes develop) that indicate approaching puberty.

  • The range of height and weight widens. Boys weigh from about 60 pounds to 100 pounds; girls weigh 55 pounds to 100 pounds. Height for boys and girls varies from 50 inches to 60 inches.

  • Small muscles develop rapidly during this period. This development makes activities that require the use of those muscles, such as hammering or playing musical instruments, more enjoyable.

  • Children in this age group are as coordinated as adults, although lapses of awkwardness are common.

  • Eyes reach maturity in both size and function. The added strain of school work (smaller print, computers, intense writing) often creates eye-tension, and leads some children to eye examinations. Regular eye check-ups are an important part of annual physicals.

  • Energy abounds and children this age may become over-stimulated when participating in competitive, physical activities. (Children this age need 10 hours to 11 hours of sleep.)

  • Regular dental check-ups are important during these years as permanent teeth shift position.

Mental development

  • Children in middle childhood can enjoy reading alone, can think abstractly and can plan ahead for several weeks.

  • They can evaluate behavior with insight.

  • Their attention span and ability to concentrate increases to several hours.

  • This age group needs to feel independent and free to express themselves.

  • These children have a need to know and understand "why."

  • They develop a sense of morals based on what they have learned from adults.

Social development

  • Importance of the peer group increases. Children this age become interested in joining gangs, clubs or secret societies.

  • Beginning to try on various identities to discover who they want to associate with.

  • Independence from adults becomes important.

  • "World view" expands from home to neighborhood and local community.

  • Sibling rivalry is common.

  • Children in this age group want to discuss sex — often to correct information from peers.

  • They develop a concept of "fair" or "unfair" related to actions of others.

  • They enjoy both cooperation and limited competition. Cooperation is more difficult to learn.

Emotional development

  • Signs of growing independence and testy disobedience — perhaps even backtalk and rebellious behavior — are typical.

  • Children who seem withdrawn, depressed or cruel may be having a problem with their emotional development.

  • Common fears include the unknown, failure, death, family problems and non-acceptance.

  • Their concept of right and wrong continues to develop.

  • Their sense of humor further develops during this period.

  • Every time children succeed at something, their view of themselves improves.

  • When adults set up inappropriate competitions, children in this age group can suffer serious emotional disturbances.

  • These children are ready to face consequences if their mistakes are not too serious.

  • They have a strong attachment to their own sex and show antagonism toward the opposite sex.

Vocational development

  • Occupational preferences are based on personal abilities and capacities as well as interests and exposure to various settings.

  • Children this age think about possible occupations when selecting junior high courses.

  • Self-image as "worker" begins to emerge.

  • Many children want to begin a part-time job or find a way to earn money as an allowance.

Reflecting on your 9- to 12-year-old

Listed below are typical behaviors of children 9 through 12 years old. The list is by no means complete, and it is likely that many children will exhibit characteristics of several ages.

For instance, Mike may be chronologically age 10, but he might behave younger than 10 in some ways and older than 10 in some ways.

Study the list of characteristics shown for your child's age, and check off behaviors now displayed.

Look forward and backward to see what characteristics of older and younger children your child exhibits. Do you see your whole child better?

The 9-year-old

  • Gaining self-confidence

  • Less quarreling

  • Perfecting motor skills

  • Becoming more inner-directed

  • Likes organized play with definite rules

  • Bursts of emotion and impatience

  • Accepts failures and mistakes more realistically

  • Tries to give impression of being calm and steadfast

  • Becomes selective in activities and spends more time focused on an activity

  • Girls may start puberty spurt of growth

  • Loves to form clubs and be an officer

  • Sense of humor is well defined

  • May begin to show signs of neglecting personal hygiene while interest in clothing styles and fads begins to be important

The 10-year-old

  • Likes and enjoys friends

  • Beginning to agree logically

  • Individual interest more long-lasting

  • Motor skills fairly well developed

  • Enjoys ability to "fit in" at home, school and play

  • Relation with parents, siblings, teachers and friends at all-time high

  • Enjoys organized activities and has secret groups, codes, etc.

  • Can show concern and is sensitive to others

  • Begins development of special motor skills (sports, music, dancing, crafts)

  • Feels more comfortable when their world is organized and schedules are kept

  • Loves trivia

  • Enjoys taking and planning outings

  • May resent being told what to do, yet needs constant reminders regarding routine responsibilities

The 11-year-old

  • Appetite increases

  • At times can be loud, boorish and rude

  • Tends to be moody, sensitive

  • With strangers may be cooperative, friendly, lively and pleasant

  • Frequent arguments with parents

  • Friends are selected because of mutual interests

  • Interest in the opposite sex is changing

  • Attitudes about school are changing

  • Very active

  • May read without being able to explain the story sequence, or the consequences of actions

The 12-year-old

  • Enthusiastic for short periods

  • Emotions are extreme; either really likes something or really hates it

  • No longer wants to be considered a child

  • Emphasis on "best" friend

  • Can be critical of physical appearance (especially girls)

  • Some restlessness, day dreaming and wasting time

  • Has some difficulty accepting praise

  • Participates less in family activities

  • Talks frequently of the opposite sex

From a guide originally written by Mary McPhail Gray and Terrie Foltz.

Copyright 1999 University of Missouri. Published by University Extension, University of Missouri-Columbia. Please use our feedback form for questions or comments about this or any other publication contained on the XPLOR site.

Issued in furtherance of Cooperative Extension Work Acts of May 8 and June 30, 1914, in cooperation with the United States Department of Agriculture. Ronald J. Turner, Director, Cooperative Extension Service, University of Missouri and Lincoln University, Columbia, Missouri 65211. • University Extension does not discriminate on the basis of race, color, national origin, sex, religion, age, disability or status as a Vietnam era veteran in employment or programs. If you have special needs as addressed by the Americans with Disabilities Act and need this publication in an alternative format, write ADA Officer, Extension and Agricultural Information, 1-98 Agriculture Building, Columbia, MO 65211, or call (573) 882-7216. Reasonable efforts will be made to accommodate your special needs.

© Copyright 2008 by

Top of Page


Search ClassBrain
Search WWW


Parent Pamphlets
Latest Headlines
Children's Activity Pyramid
Children: How They Grow, Elementary School Children Ages 9 to 12
Starting Early Sexuality Education for Children Ages 10 to 14 (Early Adolescence)
Nature, Nurture and Early Brain Development
Nurturing Children's Talents
Protecting Children from Unintentional Injuries
Raising Kind Children
Focus on Families: Divorce and Adults
Talking With Children About HIV/AIDS
Activities for Helping Children Deal with Divorce
Toilet Training
Communicating Effectively with Children
Parenting: Success Requires A Team Effort
Baby Basics Social and Physical Development
Families Are Talking
Starting Early Sexuality Education for Children Ages 10 to 14 (Early Adolescence)
Sexuality and Your Child - For Children Ages 3 to 7
Sexuality and Your Child - For Children Ages 0 to 3
Baby Basics
How Kids Grow - Ages 9-12