How do i interpreting autism spectrum quotient score?

It depends : There are different developmental screens that are used to make the diagnosis of autism and they will each have a different method of scoring and reporting the outcome. Most of them look at similar areas of functioning that are consistently found to be atypical in children with autism. When your provider goes over the results of the screening they can give you more information.

Gilliam Autism: Rating scales , normed on children with classical autism, aren't great for picking up milder forms. An "average" probability of having autism is 90-110. On childhood autism rating scales, normed on non-autistic children, a score of 30 or > determines mild, moderate or severe autism. The autism diagnostic observation schedule done by a child (neuro)psychologist quantifies degree of autism.