Go low tech, use libreoffice or something to make some card layouts, populate the fields from the CSV with a mail merge, print them and pin them to a wall.
This probably avoids an IT call because you should have these things already available.
You also cannot blame parents here. Most of us live in societies where a 13 year old can walk home from school on their own, and if they buy cigarettes, alcohol or visit a strip club then the business owner is in trouble. Business owners should figure out how to provide their products safely.
The later people are paying to join and sustain an existing and thriving community built by the earlier people.