High schoolers are students typically aged 14 to 18 who attend grades 9 through 12 in the United States. They are often preparing for higher education or entering the workforce after graduation. High school is a critical time for personal and academic development, where students explore various subjects and extracurricular activities. During these years, high schoolers develop social skills and form friendships that can last a lifetime. They may participate in sports, clubs, and other activities that help them build teamwork and leadership abilities. This period is also marked by increased independence and responsibility as they prepare for adulthood.