... levels of education in the formal school system in Vietnam: Pre – school, Primary education, Secondary education. The Secondary education consists lower secondary education and upper secondary education. ... education and 7 classes in secondary education. 3. How long does it take to finish the lower secondary education/ upper secondary education? - It takes 4 years to finish the lower secondary education ... education system in Vietnam, based on the questions and answers in Discussion task, in about 150 words. -There are three levels of education. + Pre – school + Primary education + Secondary education...