| Value | Category | 
                                    
                    
                        | 1 | Basic/Infant/Nursery/kindergarten | 
                                    
                    
                        | 2 | Primary | 
                                    
                    
                        | 3 | All age school grades 1-6 | 
                                    
                    
                        | 4 | All age school grades 7-9 | 
                                    
                    
                        | 5 | Primary/Junior high (grades 1-6) | 
                                    
                    
                        | 6 | Primary/Junior high (grades 7-9) | 
                                    
                    
                        | 7 | Junior high (grades 7-9) | 
                                    
                    
                        | 8 | New secondary | 
                                    
                    
                        | 9 | Comprehensive | 
                                    
                    
                        | 10 | Secondary high | 
                                    
                    
                        | 11 | Technical | 
                                    
                    
                        | 12 | Vocat/Agric | 
                                    
                    
                        | 13 | University | 
                                    
                    
                        | 14 | Other tertiary (public) | 
                                    
                    
                        | 15 | Other tertiary (private) | 
                                    
                    
                        | 16 | Adult literacy classes | 
                                    
                    
                        | 17 | Adult education/night | 
                                    
                    
                        | 18 | Special school | 
                                    
                    
                        | 19 | None | 
                                    
                    
                        | Sysmiss |  | 
                            
            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.