Is 121 a good IQ for an 8 year old?

Answer 1

First, IQ tests are designed so that your score takes your age into account. This means that (ideally) a person exactly as smart as you, but older or younger than you should get the exact same score. (So if a person exactly as smart as you, but 30 years old took an IQ test, they should also get 121).

Now for the main part of your question. A score of 121 is more than one standard deviations above the norm (average). This means you scored higher than approximately 90% of people. So, for every hundred people you meet, on average, you are smarter than 90 of them and 9 are smarter than you.

You should be careful though if you took the test off a website or some other place online it is most likely not accurate. The only way to get a real IQ test that is reliable and valid (meaning, it measures your intelligence accurately) is to get professionally tested through a mental health professional or testing center using a carefully researched and designed measure. For someone your age the most likely test they would use is the Wechsler Intelligence Scale for Children (WISC-R) which is used to test intelligence in children aged 6 to 16.

And remember, IQ is just a measure of one kind of intelligence, and your results can be affected by things such as ADHD or learning disabilities.