Question: When do most schools go back after summer?
Answer: between mid-August and early September
Disambiguated annotations:
qaPairs: question: When do most schools go back after summer in the Northern Hemisphere?
answer: August or September
question: When do most schools go back after summer in the Southern Hemisphere?
answer: January or February
question: In the United States during the 20th century, when do most schools go back after summer?
answer: shortly after Labor Day
question: In the United States during the 21st century, when do most schools go back after summer?
answer: earlier in August or even late July