Photo Gallery: La Cañada High School students walk out and march against gun violence

La Cañada High School student organizers Jack Weirick, left, and Ethan Crane, right, talk to students before walking out of school to march 2 miles to Memorial Park to protest gun violence on the anniversary of the Columbine massacre on Friday, April 20, 2018.

After briefly stopping in front of St. Francis High School and chanting pro gun control slogans, La Cañada High School students who walked out of school continue marching to Memorial Park on the anniversary of the Columbine massacre, on Friday, April 20, 2018.

About 40 La Cañada High School students, including Ethan Crane, front, walked out of school to march 2 miles to Memorial Park to protest gun violence on the anniversary of the Columbine massaacre on April 20, 2018.

After briefly stopping in front of St. Francis High School and chanting pro gun control slogans, La Cañada High School students continue marching to Memorial Park on the anniversary of the Columbine massacre on Friday, April 20, 2018.

Local resident Bob Lasiewicz holds a sign at Memorial Park supporting gun control in solidarity with arriving La Cañada High School students who walked out of school to march 2 miles to the park on the anniversary of the Columbine massacre on Friday, April 20, 2018.

About 40 La Cañada High School students had lunch and played 1960s songs after walking out of school to march 2 miles to Memorial Park to protest gun violence on the anniversary of the Columbine massacre on Friday, April 20, 2018.