A student at the Ella Baker School in Manhattan yells at cars to honk in support of public education.

Molly Dobkin, the chapter leader at the Children's Workshop School in the East Village.

Educators from PS 333 on the Upper West Side.

Students from PS 321 in Park Slope.

The community of PS 295 in South Slope.

Educators from PS 199 in Sunnyside.

Teacher Samantha Deutsch from PS 145 on the Upper West Side with her daughter, who is in seventh grade at PS 187.

Teachers from PS 186 in Bellerose.

Teachers from PS 148 in East Elmhurst.

Parents from PS 110 in Corona.

Educators from PS 87 on the Upper West Side.

A variety of messages from PS 24 in Sunset Park.

Members of the community from PS 11 in Woodside.

Educators from PS 1 in Chinatown send a message.

The crowd stretches for blocks.

The Queens contingent at the rally includes Queens Borough Representative Rona Freiser (second from left).

Educators from the El Puente Academy for Peace and Justice in Williamsburg.

A family from Jackson Heights whose daughter attends Ella Baker School in Manhattan.

Noreen Mittleman (left), a from Dykers Heights MS in Brooklyn, rallies with her daughter Tracy.

A message of support from the Brooklyn New School.

Lynn Manuell (far right), the theater teacher at P 811 in Harlem, a District 75 school co-located with a Success Academy, stands in the crowd.