how to change xml datastructure in soap request or response?

public class Demo{
    public DemoBean methodDemo(String id,String name,String schoolName){
        return new DemoBean(1,"raju","someschool");
    } 
}

for this i need xml format as

<student>

  <id>1234</id>

  <send>

     <data>

         <name>raju</name>

        <schoolname>someschool</schoolname>

      </data>

  </send>

</student>