Free IQ Test for Kids
Designed for ages 8–16 · Visual & engaging · Age-normed results
35 visual questions · Takes ~10 minutes · Free & anonymous · Instant age-normed score
Start the Free IQ Test📌 Note for parents
This test provides an estimate of cognitive ability relative to the child's age group. It is not a clinical assessment. For formal evaluations (gifted programs, learning disabilities), please consult a licensed child psychologist.
Expected IQ Ranges by Age
IQ scores are always relative to age. A score of 100 = exactly average for the child's age group.
Ranges based on population norms. IQ scores are always relative to the child's age group.
IQ Test by Age Group
IQ Test for 8–9 years old
Average score: 70–85
At this stage, children develop basic pattern recognition and early logical reasoning. Questions rely heavily on visual patterns and simple sequences. Average scores in this group reflect rapid cognitive development rather than fixed ability.
IQ Test for 10–11 years old
Average score: 80–95
Children at this age show stronger abstract thinking and spatial reasoning. They can handle more complex visual puzzles and short numerical sequences. This is a common age for initial gifted program screenings.
IQ Test for 12–13 years old
Average score: 88–100
Early adolescence brings significant gains in working memory and logical reasoning. Scores become more stable and predictive of academic performance. Children scoring 115+ often benefit from advanced or enrichment programs.
IQ Test for 14–16 years old
Average score: 93–106
Teenagers in this range approach adult cognitive benchmarks. The brain continues developing until age 25, so scores can still improve. A score of 110+ at this age is a strong indicator of academic potential.
What does an IQ test measure in children?
Children's IQ tests primarily measure fluid intelligence — the ability to reason, recognize patterns, and solve novel problems. Unlike adults, children's scores can fluctuate more significantly as the brain develops. Key areas measured include pattern recognition, logical reasoning, spatial thinking, and working memory.
How is a child IQ test different from an adult test?
Child IQ tests are age-normed — a child is scored relative to other children their exact age, not compared to adults. A 10-year-old scoring 120 is compared to other 10-year-olds, not 30-year-olds. Questions are also designed to be visual and pattern-based, minimizing reading requirements so the test measures raw cognitive ability rather than acquired knowledge.
How should parents use the results?
Use the results as a starting point for conversation, not a definitive judgment of potential. High scores can help identify children who may benefit from enrichment programs. Lower scores might highlight areas where additional support could be helpful. IQ is one of many factors that contribute to academic and life success.
Can IQ be improved in children?
Research shows that education quality, nutrition, physical activity, reading, and a stimulating environment can meaningfully improve cognitive scores in children. Early childhood interventions have the largest effects. The brain is most plastic during childhood, making these years particularly important for cognitive development.
Frequently Asked Questions
At what age can a child take an IQ test?
Standardized IQ tests are generally reliable from age 6. Our online test is best suited for ages 8 and up, as younger children may find some question types challenging.
What is a gifted IQ score for a child?
Most gifted programs use a threshold of IQ 125–130 (top 2–5%), though this varies by school district. An IQ above 130 is considered highly gifted.
What is the average IQ for a 10-year-old?
The average IQ for a 10–11 year old is 80–95. Remember that IQ is always relative to the child's age group — a score of 100 means exactly average for their age.
What is the average IQ for a 12-year-old?
For children aged 12–13, typical scores range from 88–100. An IQ of 115 or above would place a 12-year-old in the top 15% of their age group.
My child scored low — should I be worried?
Not necessarily. Online tests have a margin of error, and children's scores can vary based on mood, motivation, and environment. If you have concerns, consult a licensed child psychologist for a comprehensive evaluation.
Is this test appropriate for children with learning differences?
Children with dyslexia, ADHD, or other learning differences may find some question types more challenging. This test is not designed to diagnose learning disabilities — a clinical evaluation by a specialist is recommended.