Snapchat-savvy dad makes school $24m
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Snapchat IPO: California school banks millions

Parents at Saint Francis High School in California include some of the world's wealthiest technology investors.

To fund scholarships for less well-off families, they clubbed together and invested in technology stock.

But they never predicted that a $15,000 (£12,000) investment in a start-up called Snapchat would make them $24m (£19.5m), with many more millions to come.

Go to next video: 'How I make money from Snapchat'