Newtown students return to class

Sandy Hook Elementary students leave on a school bus in Newtown, Conn., on Jan. 3, 2013. Students at the elementary school, where a gunman killed 20 students and six educators on Dec. 14, 2012, are returning to class at an alternative campus described by police as "the safest school in America." Survivors are set to finally restart their academic year in the nearby town of Monroe, where a disused middle school has been converted and renamed from its original Chalk Hill to Sandy Hook.

Sandy Hook Elementary students leave on a school bus in Newtown, Conn., on Jan. 3, 2013.

A Sandy Hook Elementary student looks out the window as children leave on a school bus in Newtown, Conn., on Jan. 3, 2013.

A Sandy Hook Elementary student flashes a sign as children leave on a school bus in Newtown, Conn., on Jan. 3, 2013.

Roses with the faces of the Sandy Hook Elementary students and adults killed are seen on a pole in Newtown, Conn., on Jan. 3, 2013.

A sign welcoming children from Sandy Hook Elementary school sits on the road in Monroe, Conn., on Jan. 3, 2013.

A flag outside the Sandy Hook Fire department in Newtown, Conn., on Jan. 3, 2013.

Some of the remaining memorial items to Sandy Hook Elementary students and staff who died are viewed in Newtown, Conn., on Jan. 3, 2013.