Social norms are not something that flies well in the mind of a kid with ADHD. Parents should pretend to be a person that they want to be friends with and teach them how to react in situations that may present themselves. Get things rolling by having one or two similar-aged kids (selected carefully) over and watch how things play out. Go over notes with them later, if necessary.
Stay focused, keep self in check and always be consistent with your child. In the long run, they will be the better for it. Just ask parents of Lab School of Washington graduates.
For over 35 years, graduates from this co-ed school for kids with learning disabilities have become very successful as graphic artists, film makers, fashion designers, jewelry designers, actors, architects, photographers, musicians, dancers, and computer graphic specialists. A number of the graduates have also become highly successful entrepreneurs and business executives.