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Parkland school shooting: Students return to classes
Classes resumed at Marjory Stoneman Douglas High School in Florida for the first time since 17 students and teachers were killed.
Law enforcement agents line up as students head back to school at Marjory Stoneman Douglas High School on Feb. 28 in Parkland, Florida.
About 50 uniformed officers marched into the school early Wednesday, just one aspect of the heavy security as classes resumed.
David Hogg, a senior who has become one of the more outspoken survivors, speaks to the media as he returns to school.
"Imagine getting in a plane crash and having to get back on the same plane again and again and again and being expected to learn and act like nothing's wrong," Hogg told NBC News on Tuesday.
Students and staff leave school after their first day of classes since the shooting. Classes were shortened and it was a half-day.