The School Leaving Certificate, Supplementary Examinations began today. According to the Office of the Controller of the Examinations the examinations would be held till August 11. A total of 111,000 students across the country sat for the examinations and 236 examination centers have been fixed for the same. One superintendent, two Assistant Superintendents and one invigilator equal to 25 students have been assigned to each centre. A total of 55,000 students failed in Science, 50,000 in Maths and 31,000 in English subjects in the SLC examinations held in 2069 BS.