kochi students from the state have come up trumps in the council for indian school certificate examinations cisce with an overall pass percentage higher than the national average the results of the class xii isc and class x icse examinations were announced on fridayhowever the overall pass percentage of the state for class xii examination has decreased from 9970 last year to 9935 this year however class x examination results show a slight increase from 9989 last year to 9993 this year the national average for class x exams is 9850 and class xii exams is 9646at total of 2154 students from 58 schools in the state appeared in the class xii examination and 7459 students from 142 schools appeared in the class x examination