Dear Sarah: A sister's guide to high school using raw stories and real advice

People have told you before that High School is a scary place. From fitting in with the right crowd and dealing with "mean girls" to avoiding senioritis when you are still a sophomore, these four years of your life are filled with challenging ups and downs. You might even wish that you had a big sister who went through it all. You know, someone who could write you letters and give you advice about everything from feeling beautiful in your own skin and dating to even finding your purpose in ...