Two acknowledged bubbles have occurred within the past 10 years, the Technology/Nasdaq/.com bubble, and the housing bubble.
While each had different characteristics, they both had a common feature; an extra-ordinary growth of credit. Credit growth within a narrow asset class practically define bubbles.
So, Do We See This?
Yes. We do.
My view is that since about 2001-2002, a college degree has cost too much, and delivered too little to qualify it as a "value" asset.
This is a very broad statement and caution should be applied to those who are pursuing degrees in professional and hard science fields.