<p>From Payscale.
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It recently looked at 20-year net returns on investment for colleges. Nationally, it found that Harvey Mudd College, a private, liberal arts school in California that focuses on math and science, had the highest return on investment.</p>
<p>Graduates there can expect to earn a net income of $980,000 in the 20 years after graduation. That's minus the cost of school, which was $229,500 in 2013.
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