Julia Richards participates in the student walkout at Yarmouth High School Wednesday morning.

South Portland High School students join students nationwide in protesting gun violence on Thursday.

About 60 Gorham High School students walked out of classes Thursday in support of safety for students in Maine and the nation.

Students of Oxford Hills Comprehensive High School in South Paris participate in a protest walkout as part of a national movement by students to demand action on gun violence and school safety on Thursday.

Eliza Brown addresses other students during a gun violence protest in Yarmouth on Wednesday.

Gorham High School sophomores Ava Pitman, left, and Abby Miller display their messages Thursday during a walkout to protest gun violence.

Freeport students line Main Street in the town as they protest gun violence in the nation, on Wednesday. School had been canceled for the day because of the storm.

Yarmouth High School students participate in a protest of gun violence in schools on Wednesday.

At Yarmouth High School, students participate in a nationwide planned protest against gun violence, on Wednesday.

Freeport students convey a "safety first" message as they gather on Main Street on Wednesday as part of nationwide student protests against gun violence.

Virginia Hugo-Vidal, a Gorham High School senior, makes voter registration cards available to classmates Thursday during a school walkout to protest gun violence.

Students of Oxford Hills Comprehensive High School in South Paris walk out Thursday as part of a nationwide protest to demand action on gun violence and school safety.

Students line Main Street in Freeport on Wednesday to join a national protest against gun violence, even though school was canceled because of the snowstorm.

Megan Connelly (holding sign) and Bridget Heggie participate in Cape Elizabeth High School's student walkout for gun control Thursday

Ellie Hilse, left, and Brooke Harvey participate in Cape Elizabeth High School's student walkout Thursday in support of more stringent gun laws.

Mackenzie Miller joins in a Mount Desert Island High School protest against gun violence on Wednesday. School had been canceled because of the storm.

Finian Burns, a freshman at Mount Desert High School, joins a student protest against gun violence on Wednesday. The Bar Harbor school was among those in Maine whose students staged a protest even though school had been canceled for the day because of a snowstorm.

Mia and Nayan Sawyer of Bar Harbor participate in a protest against gun violence on Wednesday. School had been canceled because of the storm.

Irene Choi joins in a Mount Desert Island High School protest against gun violence on Wednesday.

Emily Homer joins in a Mount Desert Island High School protest against gun violence on Wednesday.

Chase McGee joins in a Mount Desert Island High School protest against gun violence on Wednesday. School had been canceled because of the storm.

Sam Schleif joins in a Mount Desert Island High School protest against gun violence on Wednesday. School had been canceled because of the storm.

Claire Shaw joins in a Mount Desert Island High School protest against gun violence on Wednesday. School had been canceled because of the storm.

Charlotte Miller joins in a Mount Desert Island High School protest against gun violence on Wednesday.

Maggie Strong joins in a Mount Desert Island High School protest against gun violence on Wednesday.