11. The O Level examinations are given in two phases. 12. Later, it became the first secondary modern in Rotherham to offer O Levels its students. 13. He attended Kiamaina primary school and proceeded to Kamuiru High school for his O Levels . 14. Cambridge O Levels are only available for centres in administrative zones 3, 4 & 5. 15. This meant he finished his O Levels at age 14 and A Levels at age 16. 16. O levels and a grant system ( instead of Top-up fees ) still exist for students.17. These pioneering pupils were the first group to write O levels exams in November of 1982. 18. Manarat has laboratories with up-to-date equipment for the standards of O Level and A Level examinations. 19. Thus when atmospheric 18 O levels are high enough, photosynthesis will act as a reducing factor. 20. In 1957 it offered the first O levels .