The meaning of HIGH SCHOOL is a school especially in the U.S. usually including grades 9—12 or 10—12. High school is a term for a school in the US for older children, usually from grades 9-12, or aged approximately 14-18. Learn more about the meaning, pronunciation, and usage of high school with examples and translations. a secondary school that usually includes grades 10, 11, and 12, and sometimes grade 9 (and occasionally, esp. formerly, grades 7 and 8), and that offers academic or vocational subjects As every school has its own way of categorizing classes, there’s no definition for high school in India, even in a general way. It’s quite complicated to conclude what high school is called in India because every school refers to it with reference to different classes.
