Serious challenges meet 2013 WASSCE With a few weeks to the start of this year's West Africa Senior School Certificate Examination serious challenges such Examination halls, invigilators and science laboratories for practical lessons have been identified. The problem has been compounded by the fact that two streams of students, the four year and three year Senior High school batches will be writing at the same time. There is also a serious reservation about a student who has undergone the four year SHS system to write the same examination with another student who studied for three years. GBC