Ninth grade - Wikipedia
en.wikipedia.org › wiki › Ninth_gradeNinth grade is often the first school year of high school in the United States, or the last year of middle/junior high school. In some countries, Grade 9 is the second year of high school. Students are usually 14–15 years old. In the United States, it is often called the freshman year. Contents 1 Afghanistan 2 Argentina 3 Australia 4 Belgium