Mather Heights Elementary first graders Athena Barcelos, left, and Neil Poddar work on their math addition lesson during class on Sept. 1, 2016.
Mather Heights Elementary first graders Athena Barcelos, left, and Neil Poddar work on their math addition lesson during class on Sept. 1, 2016. Randy Pench rpench@sacbee.com
Mather Heights Elementary first graders Athena Barcelos, left, and Neil Poddar work on their math addition lesson during class on Sept. 1, 2016. Randy Pench rpench@sacbee.com