Proactive Staff Members
A key defense against injury and accidents is to be proactive. Playground equipment should have regularly scheduled maintenance where every nut, screw, bolt and chain is inspected thoroughly. All school personnel, even the administrative staff, should always be on the lookout for behavior that could potentially be dangerous. Spills should be wiped up immediately and floors kept clear of obstacles and trip hazards. "That's not my job" should be eliminated from all employee dialogue when it comes to accident prevention.
Documentation
You may think you are already in a paper glut with all of the artwork, writing and number exercises your child's nursery school sends home with you every day, but it is extremely important that you receive a full report of any accidents or "boo boos" your child has while in care. This report should state the time of the incident, who was involved, any witnesses and any action taken to rectify the situation or apply first aid. This is particularly useful in tracking harmful behaviors of a specific child -- not your little angel, of course -- and identifying unsafe practices and play.