The term "10th" refers to the ordinal number that indicates the position of something in a sequence, specifically the one that comes after the ninth. It is commonly used in various contexts, such as ranking, grading, and time. For example, in a race, the runner who finishes after the ninth place is said to finish in 10th place. In education, "10th" often refers to the tenth grade, which is typically the second year of high school in many countries. Students in the 10th grade usually range from 15 to 16 years old and are often preparing for standardized tests and college readiness.