You're considered safe as long as you are clocked into work. This includes being out on deliveries or helping someone with their groceries in the parking lot. As soon as you clock out and leave your workplace you're fair game.
The game doesn't start until the Tuesday after prom weekend, May 7th @ 5:30.
No, the only permitted weapon for water assassin is brightly colored water guns. Any "kills" executed with water balloons will not count.
As the rules state, anywhere on school property is off limits and can result in disqualification. This includes the student parking lot. Everyone is safe on school property.
ALL schools are off limits. This includes all of another school's property. Again this can result in disqualification. Everyone is safe on school property.