Second grader Lucy Clark runs across the playground Wednesday to greet a friend during the first day of classes at Atwood Primary School in Oakland.

First grader Roosevelt Marston, center, compares his height Wednesday with classmate Keegan Johnson during the first day of classes at Atwood Primary School in Oakland.

Principal Shelly Moody, right, greets Krista Ryder on Wednesday as Ryder drops off her daughter, Vivian, front, on the girl’s first day of first grade at Atwood Elementary School in Oakland.

First grade teacher Poohnay Koopal, left, leads her class Wednesday as students gather on the playground to recite the Pledge of Allegiance on the first day of classes at Atwood Primary School in Oakland.

Painted hearts brighten the walkway Wednesday for students on the first day of classes at Atwood Primary School in Oakland.

Eriuca Orff and her son, Owen, 5, walk together Wednesday as the boy is dropped off for his first day of kindergarten at Atwood Primary School in Oakland.

Kindergarten teacher Denice Hatch encourages kindergartner Nathan Bard during his first day of classes Wednesday at Atwood Primary School in Oakland.

Kindergarten teacher Denice Hatch assists student Nash Gooldrup on Wednesday, the first day of classes at Atwood Primary School in Oakland.

Kindergarten teacher Anne Roberts visits Wednesday with students Vivian Ryder, right, and Quinn Lockhart on the first day of classes at Atwood Primary School in Oakland.

Principal Shelly Moody carries the American flag onto the playground Wednesday for the Pledge of Allegiance on the first day of classes at Atwood Elementary School in Oakland.

Dean of Students Amy Naegely holds the American flag Wednesday while the students at Atwood Elementary School in Oakland recite the Pledge of Allegiance on the first day of classes.

Kindergarten teacher Denice Hatch shares hugs Wednesday with first grade students Cruz Clark, right, and Elyse Caldwell on the first day of classes at Atwood Primary School in Oakland.

Second grade teacher Nanette Kroemer welcomes first grader Valeria Gonzalez during the first day of classes at Atwood Elementary School in Oakland on Wednesday.

Kindergarten aide Nikki Boucher, left, and second grade students Clarice Kingsbury, second from left, Lucy Clark and Maevia Solis join hands Wednesday while walking across the playground on the first day of classes at Atwood Primary School in Oakland.