Translation of Pistolenhalfter

Luckily it didn't happen to me, my kids really grew up with us all the time. And besides, they are not allowed do that, because they are monitored endlessly. If they don't attend class they could find themselves on the next train going home.
My correction were added and highlighted with yellow markers and attached to this email. Tell me now if you have any questions about grammar rules, since I was a teacher 10 years ago.
The best would be if we meet on the corner of Lafayette and Spring street. This is pretty much at the end of the road. There, on the left side, is a large parking lot where you can place the car.