Top 21 IQ Tests for Kids

  (photo credit: UNSPLASH)
(photo credit: UNSPLASH)

An IQ test, or intelligence quotient test, is used to determine the level of intelligence. These tests consist of various puzzles and subtests to show a score that falls somewhere on the scale of that test.

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These tests are reliable and valid tools to use when assessing someone’s intelligence and cognitive potential. With an IQ test for kids, these tests might get used for placement in classrooms or grade levels. 

You can find an IQ test for kids online that examines general knowledge. Below is an extensive list of the 21 best IQ tests for kids based on research and professional recommendations. In some cases, an IQ test for kids is recognized and commonly used in academic settings. Others are purely for personal interest needs.

21 Best IQ Tests for Kids 

  1. ​​Online test from Quick IQ Test 
  2. Wechsler Intelligence Scale for Children - Fourth Edition 
  3. Wechsler Adult Intelligence Scale – Fourth Edition
  4. Wechsler Preschool and Primary Scale of Intelligence – Fourth Edition
  5. Stanford-Binet Intelligence Scales – Fifth Edition
  6. Differential Ability Scales – Second Edition
  7. The Woodcock-Johnson Tests of Cognitive Abilities
  8. The Kaufman Assessment Battery for Children
  9. Otis-Lennon School Ability Test
  10. Naglieri Nonverbal Ability Test
  11. Universal Nonverbal Intelligence Test - Second Edition
  12. IQ Test for Kids Online 
  13. IQ Test from IQ Tests Initiative 
  14. Online Test from Test Kids IQ
  15. Age Appropriate Test from IQ Test Center
  16. Test from IQ Certificate online
  17. Children’s IQ Test
  18. Kids IQ Test from Fun Education
  19. Free Online Tests from MentalUp
  20. IQ Test for Kids from Free IQ Test
  21. Online IQ Test for Children from Brain Metrix

1. Best Online for International Use: Quick IQ Test

Quick IQ test is online and it measures your fluid intelligence. You will find it consists of challenging, but fun puzzles and problems! Your results come at the end of the test and you can see where you stack up with test-takers around the world.

Credit: UnsplashCredit: Unsplash

2. Best Overall: Wechsler Intelligence Scale for Children - Fourth Edition 

This test is the gold standard of intelligence testing for kids and often gets used in many professional settings. It is the best test for children from about eight years to age 16. 

3. Best for Teenagers: Wechsler Adult Intelligence Scale – Fourth Edition

Teenagers should test with higher-level intelligence scales, like the Wechsler Adult Intelligence Scale, which is recommended for people aged 16 and up. 

4. Best for Preschoolers: Wechsler Preschool and Primary Scale of Intelligence – Fourth Edition

Like the other versions of the Wechsler test, this test is available for a hefty fee and is usually performed by a professional in the psychology field. The preschool version of the test is recommended for children two years and six months up to seven years and seven months. 

5. Original Adaptive Test: Stanford-Binet Intelligence Scales - Fourth Edition 

The Stanford-Binet Intelligence Scales were the first adaptive test to be developed. Adaptive tests change based on the test taker's previous answer. It is a test developed exclusively for children. 

Related: What is a Normal IQ?

6. Best for Assessing Giftedness: Differential Ability Scales - Fourth Edition

The Differential Ability Scales is an American modification of the British Ability Scales. This test is great for assessing the level of giftedness a child has. This test gets administered to children who are two years and six months up to 17 years and 11 months. 

7. Best for All Ages: Woodcock-Johnson Tests of Cognitive Abilities 

The test creators claim this test can accurately assess anyone over two years old. It includes 18 short assessments that combine to make a score at the end of the test. 

8. Best for Special Needs: Kaufman Assessment Battery for Children

This assessment is suitable for those with special needs but can also get used for children without these needs. 

9. Most Used to Screen Students in the U.S.: Otis-Lennon School Ability Test

This test gets used most often to screen children from Pre-K to 12th grade before placing them in gifted courses or other advanced learning situations. It is also most often given as a group test. 

10. Best for Non-Native English Speakers: Naglieri Nonverbal Ability Test

Nonverbal test takers, like those with special needs or children whose native language is not English, most often take the Naglieri test. It is considered the most unbiased intelligence test used in American schools, but it is also one of the most challenging. 

11. Best for Nonverbal Children: Universal Nonverbal Intelligence Test

The UNIT test is perfect for nonverbal children, but their intelligence should be tested and measured. The test is given individually, and it can be done in a few timing formats.

12. Biggest Test-Taking Pool: IQ Tests for Kids Online

This test is certified by PhDs. over 16 million people have taken this test, so the number received at the end is based on a large pool. The larger the pool, the more accurate the numbers.

13. Most Internationally Accepted: IQ Test Initiative

The IQ Test Initiative is an international group that strives to develop accurate and helpful intelligence testing tools. This online test is great for children!

14. Online Test Developed by PhDs: IQ Test for Kids from Test Kids IQ

This test is broken into two age groups so kids can get the most accurate readings and tests for their age. It is free and was developed by a group of Ph.D. licensed psychologists. 

15. Most Age Tailored Test: IQ Test by IQ Test Center

These tests are separated by age from 4 years old to 12 years old. Beyond that, tests include 13-15 and 16 and up. They are free to take but remember they may not be 100% accurate. These are more for fun and general information.

Related: What is My IQ?

16. Widely Used: Test from IQ Certificate

About 650,000 people have taken this test! It has a 97% customer satisfaction rating, and it is suitable for kids aged 6-16.

Credit: UnsplashCredit: Unsplash

17. Best for 8-14-Year-Olds: Test from Children’s IQ Test

This test contains four subtests and is designed for kids 8-14 years old. There is no other test for other age brackets, so only use this one if the child is within that age range for the most accurate results. 

18. Most In-Depth: IQ Test for Kids from Fun Education 

While many tests online are free, this one cost just under $20. You can see a preview of a few questions, but you must pay to take the entire test. It consists of 201 questions making it one of the most in-depth online tests. 

19. Free Test with Instant Results: MentalUp

This test is free and offers immediate results. There are three options for children based on their age. 

20. Most Versatile: Free-IQTest

The test here is free and is for informational purposes, but the real positive with this test is that it is available for any age, simply enter your age at the beginning of the test. 

21. Best Online Test for Teens: Brain Metrix

This test is best for those who are 15 and above. There is no version for younger children, but it can be a helpful tool for teens! It is also short. 

Related: What is Mensa IQ Test?

Credit: UnsplashCredit: Unsplash

FAQs about IQ Tests for Kids

Here are a few commonly asked questions and answers about IQ tests for kids. 

How can I test my child’s IQ level?

Online IQ Tests are meant as estimates, a starting point, or just a general guideline. If you prefer accurate and meaningful results, you may want to schedule an appointment with a licensed psychiatrist or psychometrician.

What is the normal IQ level of a child?

Though there are variations, the average for most children is 100. However, anything between 80 and 120 is said to be suitable for children.

What IQ is high for a kid?

An IQ over 120 is considered higher than the average. If your child tests higher than 120, there is a chance they are higher than the average.

Does IQ increase with age?

Although most people gain knowledge and understanding as they age, IQ does not generally increase over time. Since the measurement puts people in age brackets, each age bracket should have a mean of 100.

Final Thoughts 

IQ tests online are great tools to use as a starting point in a journey to understanding your kid's intelligence and cognitive abilities.

Results should be taken with a small level of seriousness before you visit a licensed professional and dive into learning more about your kid’s cognitive state. Talk with a licensed psychiatrist if you are interested in learning more about supporting your child’s cognitive growth. 

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This article was written in cooperation with Adcore