Gallup: Americans have been placing less importance on the value of a college education over the past 15 years, to the point that about a third (35%) now rate it as "very important." Forty percent think it is "fairly important," while 24% say it is "not too important." When last asked to rate the importance of college in 2019, just over half of U.S. adults, 53%, said it was very important, but that was already lower than the 70% found in 2013 and 75% in 2010. Meanwhile, the percentage viewing c…