Eighth grade (or grade eight in some regions) is the eighth post-kindergarten year of required education in the US. The eighth grade is the ninth school year (not including pre-school), the second, third, fourth, or final year of middle school, or the second and/or final year of junior high school, and comes after 7th grade. Usually, students are 13-14 years old in this stage of education. Different terms and numbers are used in other parts of the world.