A typical 9th-grade student—who is generally experiencing their inaugural year of high school or upper secondary education—is usually 14 to 15 years old at the start of the academic year. Depending on their exact birth month, local school district birthday cut-off dates, and whether they started kindergarten slightly earlier or later, some students might turn 15 mid-way through their freshman year, but 14 is the standard age for entering this foundational secondary grade level.