Sixth-grade teacher Mary Samuels goes over the day’s science lesson at Carroll Middle School in Raleigh, N.C., Tuesday, Oct. 25, 2016.
Sixth-grade teacher Mary Samuels goes over the day’s science lesson at Carroll Middle School in Raleigh, N.C., Tuesday, Oct. 25, 2016. Chuck Liddy cliddy@newsobserver.com
Sixth-grade teacher Mary Samuels goes over the day’s science lesson at Carroll Middle School in Raleigh, N.C., Tuesday, Oct. 25, 2016. Chuck Liddy cliddy@newsobserver.com