**Food**
I would think so. According to the FAO, 152kg of food per capita were produced globally in 2007/20081, which equates to approximately 500gr of food per day - not a lot, but you could conceivably survive.
**Clothing**
I don't think there is any need for research here, certainly yes (although most people would have a minimum of 1 set of clothes).
**Education**
This year about 500 billion US$ will be spend on education worldwide2 \- whereas, if we used our military budget3 for education we could add $1.61 trillion4 per year. I think this should cover more than enough the 36 million children in Africa that may not have access to education5.
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References:
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