Some will have average or above average intelligence. Some may have below average ability. Some with Cerebral palsy may not be able to communicate in traditional ways. May need some assistance from you or from others in getting on the bus and while on the bus. Physical limitations range from very mild to very severe.
Personalities vary as greatly as in any group of students.
Physical abilities may vary greatly. May be more prone to seizures than other students. Often have other limitation such as sensory problems or memory problems. Some are on medication. Some may be used to having things done for them and may need your encouragement to try things on their own.