Tort law works in cases like this. The school will be gone, the ‘guides’ will be bankrupted and probably banned from ever working in a similar role.
Criminal charges seem worth considering, too.
Definitely worth considering. The guides knew the symptoms of heat exhaustion and/or dehydration and to deny water is a basic act of aggression. All the clap-trap about ‘going beyond your limits’ is pure BS. I send ‘em to the slammer for 5-10 and let them ‘go beyond their limits.’