Anonymous wrote:OP here, water cooler is a good idea.
How much responsibility should I take to make sure the kids get home at a certain time. They will tell me, "My dad told me to tell you I have to be home at 6." Generally I'll announce it is 5:30 or 5:45. Sometimes the parents will text or call to tell me a time for their kid to be home. I’ll say they are outside somewhere; best bet is for you to yell for him/her. My view is if the kids are playing all over the place outside it is Lord of the Flies and I'm not assuming caretaker responsibility for them.
If they're actually playing at my house I'll pop my head out and make a general announcement that its 5:30 so everyone needs to start heading home for dinner. If they're all just out in the cul-de-sac or bouncing from backyard to backyard just playing I'll yell for my child when its time to come in and I expect other parents to be responsible for their own children.