Congratulations! You’ve made it through the rigor of junior year. Now, it’s onto the last year of high school. Senior year is filled with hard work, a healthy dose of nostalgia, and a lot of preparation if you plan to attend college. Before you focus on making memories during those final weeks of high school, you’ll have a long to-do list to complete. To help you get a jumpstart, we’ve put together 21 ways to get organized over the summer so you can take on senior year with confidence.