The question shouldn't be so much "is it worth it" as it is far too broad of a question. We should be asking "is college/university X worth the tuition cost for the education I'll receive?"
I think a lot of the universities and college simply don't provide an education that can justify their tuition cost. For example, Life University has a tuition cost of $30,000 a quarter. For those not familiar with the system. A school year is broken into 2 semester. Each semester is further broken into quarters. So in order to attend Life University for 1 year. It would cost you $120,000. Considering the average degree is 4 years. By the time you graduate with the lowest degree life university offers, you'll have paid $480,000. I dunno about you but, if I paid a school nearly half a million dollars, I better be walking away with at least a PHD, hopefully 2.
The education system in this country has developed a nice little bubble thanks to all the easy credit and government money that students had access too which allowed universities to continually raise the cost of their tuition simply because there wasn't a reason not to.
According to
collegedata.com the sticker price to study at a private college for one year averages about $42,224.
This is in comparison to public universities that average out to about $3,000 a year but, that's still an increase of 8.7% from the previous year (according to collegedata)
Here is a nifty chart (and links) from the Washingtion post
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Personally, my college is worth the cost. I have 0 debt, and in fact, I've made money every semester due to the leftover money I have from my grants every semester. However, I have a friend who went to a prestigious school (Georgia Tech) and she's swimming in debt and the only job open to her is being a tutor at a learning center like Sylvans. She's unable to afford her student loan payments, while I'm earning around 1k every check with 0 debt.