College gets more expensive – again. tuition at public four-year colleges rose 2.9 percent this year, to an average of $8,893 per year. out-of-state students pay an average of $22,203 to attend. private four-year colleges also saw tuition increases of 2.9 percent – to an average of $30,094. these tuition hikes come on the heels of a 4.5 percent jump in 2012-13 and 8.5 percent in 2011-12. tuition prices have been outpacing general inflation rates for many years. source: the college board if tuition for private four-year colleges was $10,337 in 2010-2011, how much was it in: instructions: enter your responses rounded to two decimal places. (a) 2011-12? $ (b) 2012-13? $ (c) 2013-14? $