Definition of secondary education in English English dictionary
Traditional second stage in formal education, typically beginning at ages 11-13 and ending usually at ages 15-18. The distinction between elementary education and secondary education has gradually become less marked, because of the proliferation of middle schools, junior high schools, and other divisions
high-school education, knowledge that is accumulated by the end of one's years in high-school, twelve years of education
education beyond the elementary grades; provided by a high school or college preparatory school