I am a senior and made it through highschool just fine and am on my way to getting a millennium scholarship whilst having my phone in most of my classes. People who chronically use their phones and are always failing classes made that choice but the majority of people that are thriving in highschool with their phones dont deserve to be punished for other peoples behavior. This could hinder a lot of students motivation to learn and ability to focus in class because they will be too anxious thinking about all the notifications they are missing. Especially for seniors, we have spent our first 3 years on our phones and will definitely be hurt the most by this. It would be more effective and efficient to start this with freshmen each year so it naturally reaches each grade. But for people that have been here for years it is too large of a change to make so late in our school lives. On top of this, there are many teachers I know of that embrace phone usage and even require it to do certain projects and connect better with the students.