Decide on destination, cost up for viability. Book coach, making sure coach has seat belts, adequate insurance, is road worthy, driver is police checked. Work out route taking into account comfort breaks. Visit venue if possible, fill out risk assessment form. Letters to parents and staff, to include destination, date, times, cost, meeting place, and to include a consent form for the parent/carer to sign for their child/children to attend and to travel by coach. Work out staff ratio's (as per OFSTED standards). Take into account any special needs i.e. diet, wheelchair access and travel sickness.