Mali Jones, 13, a seventh-grader at King Middle School in Portland, joins a group students protesting gun laws at Monument Square in Portland on Wednesday.

Students at Yarmouth High School chant during a walkout to protest gun violence on Wednesday in Yarmouth.

Middle school students gather in Monument Square in Portland Wednesday morning to protest for more stringent gun laws.

Students at Yarmouth High School participate in a walkout to protest gun violence on Wednesday in Yarmouth. Leaders of the rally address the crowd from the back of a pickup truck in front of the school. Yarmouth is one of the few schools in Maine that did not cancel school on Wednesday because of the major winter storm.

Joining the student protest in Freeport on Wednesday are Freeport High School French and Latin teacher Diane Whitmore, left, Regional School Union 5 school board member Maddy Vertenten, and John Vertenten.

Students from King Middle School and Reiche Community School, both in Portland, protest gun laws at Monument Square on Wednesday.

Yarmouth High School student Sage Watterson reads a poem she wrote titled "Never Again," during a walkout to protest gun violence on Wednesday in Yarmouth.

Students at Yarmouth High School observe a moments of silence in honor of those killed in the Parkland, Florida, school shooting on Feb. 14, during a walkout to protest gun violence on Wednesday in Yarmouth.

Mali Jones, 13, a seventh-grader at King Middle School in Portland, joins a group of students protesting gun laws on Monument Square in Portland on Wednesday.

Rachel Ewing-Merrill, 11, left, and Charlotte Ferris, 12, both sixth-graders at King Middle School in Portland, join a group of students to protest gun laws at Monument Square in Portland on Wednesday.

Dozens of Freeport high school and middle school students lined Main Street in the town on Wednesday to protest gun violence. School had been canceled for the day because of the storm.