Please choose the correct ending to complete the given sentence: Youth: [header] How to get straight a's in elementary school [title] Go to school. [step] You should do your best to be at school every day. If you are not in school, you'll miss important information, won't be able to turn in your homework, and will fall behind.

Ending1: Make sure you go to school in your school uniform. [substeps] Everything in your bag should be there. Ending2: Trying to catch up can be stressful, and you probably won't do as well as you want to when trying to do lots of work very quickly. [substeps] If you miss the bus or are late for some other reason, make sure you get to school as soon as you can. Ending3: If you have trouble in high school, don't worry about it too much; one or two day's worth of homework shouldn't count; you're the proud one. [title] When you go to class, get to know the teacher and the staff at the school. Ending4: [title] If you have time, join a study group that meets every four to six days. [step] Take your phone with you! Always keep track of your progress.

Answer format: ending1/ending2/ending3/ending4