IQ range For example, if you receive a score of 110 (a “superior” iq), this means your iq score was 10 points higher than the average person’s in that particular test sample. The highest score possible is 145, and the lowest score possible is 61 scores between these two extremes represents just one standard deviation from the mean iq for that group. Most iq tests score an individual on a scale of 100. 8.2 What does it mean to have an IQ of 120 or higher?.8.1 Which one is better: online or paper-based IQ tests?.8 Average intelligence – Average child IQ.6 What IQ Scores Really Mean – Average child IQ.3 Average IQ score for Children & Teens.