Education in thailand,start study at the age of 2 years this level is nursery. 3-6 year is kindergarden.7-9 year is lower-primary , 10-12 is higher-primary and 13-15 year is lower-secondary, then is exam o-net a test to help in the entrance exam secondary.After the completion of lower-secondary school then. You can go to vocational school Or have a common line Or a graduate to find work at all.