private void setSchoolClassroom(List students) throws Exception {

    for (int i = 0; i < students.size(); i++) {
      Student student = (Student) students.get(i);
      HashMap hm = new HashMap();
      hm.put("studentPk", student.getStudentPk());
      List classroomList = getClassroomService().getSchoolInfoByStudent(hm);
      if (!classroomList.isEmpty()) {
        Classroom c = (Classroom) classroomList.get(0);
        student.setClassroomFk(c.getClassroomPk());

        hm.put("studentFk", getCurrentStudent().getStudentPk());
        hm.put("classroomPk", c.getClassroomPk());
        Classroom school = getClassroomService().getSchoolInfo(hm);
        student.setSchoolName(school.getSchoolName());
      }
    }
  }