Imagine getting this on your last day at work, would get goosebumps ..." wrote Darrel Thomson of Perth.
"Love NZ embracing culture. Imagine white Australians performing an indigenous dance," wrote Adam Radovanovic.
Jackie Hamilton Villeneuve commented from Canada: "Very moving - he must have been a cool guy."
Old boy Alex Lawson commented from Melbourne.
"Will be sadly missed - Mr Brown top man to lead an awesome school," he said.
Sergei Turnbull of Napier said it was a great school led by a great principal.
"I still remember my first handshake with him as a Year 9 student."
Rebecca McCormick shared the video in the United States.
"I ran across this video while searching for #thisishowitsdone, the tag line for Ruth's Chris Steakhouse, celebrating their 50th anniversary tonight at The Beard House in NYC," she said.
"Although the video has absolutely nothing to do with me, it's a cool way to get pumped up for a travel day!"