An Intelligence Quotient Test may very well provide information about someone's intellectual strengths and weaknesses, as well as information about her or his cognitive potential. The IQ test gives general information about abilities compared to others of the same age group and they are intended to be a predictor of how well a child will do in school.
However, a high IQ does not guarantee success. Scores are valid only in real testing conditions.
The scores are usually defined in standard Scores; this scale has a mean of 100 (+/- 10 points is considered Average). Outside of that range is the Low Average range (80-89) and the High Average range (110-119). High Average scores imply a stronger cognitive abilities, while a person with Low Average scores may struggle to keep up.
Even though scores on the cognitive assessment are intended to be a comparison to the general public, the scores alone do not diagnose anything on their own; more tests and psychological advice is required to plan a specific program for each children.