Infographic: Back to School by the Numbers

A school bus cruises down Conduit Road Tuesday, Sept. 2, 2014. Most students in the Tri-Cities returned to school on the traditional day after Labor Day, although some Petersburg students started in August.
A school bus cruises down Conduit Road Tuesday, Sept. 2, 2014. Most students in the Tri-Cities returned to school on the traditional day after Labor Day, although some Petersburg students started in August. Patrick Kane / The Progress-Index via AP

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As the nation's students head back to the classroom, our weekly infographic takes a look at school by the numbers.