No change in premium. When seatbelts become required by law, all manufacturers can be expected to be competitive. Children are trained in the classroom and on the bus during the evacuation drill in the beginning of the school year. This training is ongoing throughout the year in the classroom. Older students can help the younger ones.
Children are able to pull the belt snug, especially after they've been shown the correct way.
After school, while the bus is loading up, the driver can assist a few children each day until he is sure they can do it themselves. No reported incidents anywhere they've been used. Lunch box weaponry still seems to prevail over seatbelt weaponry. They remain conscious instead of injured, stunned or unconscious from an accident or roll-over and have a much greater chance of quick evacuation. All children got out of the bus immediately.