| Value | Category | 
                                    
                    
                        | 1 | Grade 1 | 
                                    
                    
                        | 2 | Grade 2 | 
                                    
                    
                        | 3 | Grade 3 | 
                                    
                    
                        | 4 | Grade 4 | 
                                    
                    
                        | 5 | Grade 5 | 
                                    
                    
                        | 6 | Grade 6 | 
                                    
                    
                        | 7 | Grade 7 | 
                                    
                    
                        | 8 | Grade 8 | 
                                    
                    
                        | 9 | Grade 9 /old curriculum | 
                                    
                    
                        | 10 | Grade 10 /old curriculum | 
                                    
                    
                        | 11 | Grade 11 /old curriculum | 
                                    
                    
                        | 12 | Grade 12 /old curriculum | 
                                    
                    
                        | 13 | Grade 9 /new curriculum | 
                                    
                    
                        | 14 | Grade 10 /new curriculum | 
                                    
                    
                        | 15 | Grade 11/preparatory | 
                                    
                    
                        | 16 | Grade 12/preparatory | 
                                    
                    
                        | 17 | 10+1/in the new vocational | 
                                    
                    
                        | 18 | 10+2/in the new vocational | 
                                    
                    
                        | 19 | 10+1/in the new vocational | 
                                    
                    
                        | 20 | Certificate | 
                                    
                    
                        | 21 | Diploma/10+3/ not completed | 
                                    
                    
                        | 22 | Degree not completed | 
                                    
                    
                        | 23 | Diploma/10+3/completed | 
                                    
                    
                        | 24 | Degree completed | 
                                    
                    
                        | 25 | Above degree | 
                                    
                    
                        | 95 | Litracy campaign | 
                                    
                    
                        | 96 | Non formal | 
                                    
                    
                        | 99 | Not stated | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.