High school is an exciting journey, and each year brings new opportunities and challenges. On this page, you’ll find a breakdown of what to expect in 9th, 10th, 11th and 12th grade, including important tests, key milestones and steps to prepare for life after graduation. Whether you’re just starting out as a freshman or getting ready to apply to college and careers as a senior, these guides will help you stay on track and make the most of your high school experience.