What is the IQ level of 84 when my son is seven years old this year? Your child’s IQ is 84, but it is not high within the normal range. Generally, a seven-year-old child can achieve this IQ, which is pretty good. There are many children of the same age as you. None of them can beat your IQ. Generally, a relatively high IQ must be over 95. In fact, this thing can be cultivated slowly the day after tomorrow. It does not mean that the child will always have this IQ range. Through some later tutoring, etc. , it’s okay for a child’s IQ to be above 100. Generally, an IQ below 75 is relatively low. Your range of 85 to 90 is within the normal range.