Brain chemical disorders have advanced over the past few years. Just a short time ago, Bipolar was not diagnosed unless the person was over 18. It seems that doctors have started ignoring the age of the patient as a qualifier. Correct diagnosis is a must. My son was mis-diagnosed for years. It is as just as important to treat him as young as possible to keep him from becoming an "at-risk" teen. You left out some details such as why he was suspended from the bus. Was it cursing, misbehaving, etc.? Based on his past situation, he could be emotionally disturbed. I know of a couple of resources for him for testing. Dr Rios is expensive ($800, I think) but very good developmental pediatrician. The Scottish Rite will test him, and so will the Child Study Center. All of these are a long way from Terrel. A good place to start may be his school. They can begin testing him with approval from his guardian. If you MIL is not his guardian, they cannot test him, though. As far as medication, maybe he was being over-medicated. ADHD medicine comes in so many variations and strengths. Be aware, ADHD medicine can increase aggravation, aggression, etc. I did not know that. There is a new medication named Abilify that has helped many of the special ed children I know. It also helped my son, but it made him gain a lot of weight. Also, be careful of starting more than one medication at a time. Doctors tend to start 2 or more medication "cocktails", but I have found that this only confuses the issues since you don't know if one is working or causing other symptoms. The libraries have many good books on the subject. Another thing your MIL might want to know is that children with ADHD have improved symptoms short term if they drink a soda like Coke or Pepsi. If this is true, then he could be ADHD. My son would drink a soda and would be climbing the walls. That is when I realized he was mis-diagnosed. Lastly, I am not sure of the bus rules, but she needs to check how long he can be suspended for his offense. Good luck, please contact me if you need any more help. L.