For an event of this scale, it's often a good idea to rent charter buses to get the students to the intended destination. For example, the students can gather together in the school and then take the Washington DC rented charter bus together instead of having the parents or teachers drive to the event individually. To do this, the school would have to research the Washington DC rental charter bus company to see if they are certified for the business and also to see if the drivers are competent, clean, friendly and safe drivers. "One of the things that we have to be really careful about when renting a Washington DC charter bus is to make sure the school bus that we're renting is in good condition and the bus driver is a reliable one", says one of the teachers of a Washington DC school who regularly organizes such events.

Well said, because safety of the students should always be top priority.