That's the author's point: they still have a phone, they just found that their experience at this school has helped them break the addiction to it:

> I am now going into my junior year at Midland School. Whenever I am home, I find myself on my phone much less, and then only to catch up on my favorite TV shows and to talk to the numerous lifelong friends I have made at school. Midland helped me change how I live my life. I’m no longer dependent on a smartphone.