保险公司也应成为校车事故的赔偿责任主体，保险公司在承保的机动车强制责任保险的同时，更增加校车的强制责任险使其成为一种法定责任险。
Insurance companies should also be the subject of liability for the school bus accident , which have to increase the bus insurance that becomes kind of legal liability insurance .
法定责任险