At what point in our history had a majority of adults in the United States earned a high-school diploma?
A)the early 1800s
B)about 1880
C)the early 1900s
D)the mid-1960s

Question

Quizplus · Accepted Answer

According to historical data, a majority of adults in the United States earned a high-school diploma in the mid-1960s. Prior to that, the percentage of adults with a high-school diploma was much lower, with significant increases occurring in the early 1900s and again after World War II.

At What Point in Our History Had a Majority of Adults