O Level, IGCSE, AS & A Level
O-Level is the abbreviation of Ordinary Level It is one of the two-part GCE (General Certificate of Education). The other part of GCE is Advanced Level (A-Level), which students enter after completing O-Level
O-Level is the final certification for secondary school, to be taken at fifth form or year 11 at approximately age 17 (or age group 14-16). Students that have completed O-Level are considered to have completed formal education. They can further their studies to A-Level (at their schools’ sixth form or private colleges), Foundation Courses or diploma courses, or simply leaving school.
IGSCE is the abbreviation of International General Certificate Education. it is world most popular international certification for end of secondary school (equivalent to O-Level, UK GCSE, fifth form or yesr 11 in respective countries and schools), before one proceed to Advanced Level (A-Level or sixth form or year 12&13) or pre-university studies. IGCSE assessment is conducted by two UK assessment bodies: Edexcel (also known as London Examinations) and Cambridge.