The Latest on California student protests against gun violence in schools (all times local):

12:45 p.m.

An estimated 400 hundred students gathered at San Francisco’s City Hall on a rainy and cold Wednesday morning to show solidarity for the Parkland High School shooting victims and to demand more gun control laws.

Many raised clinched fists while the names of the Parkland victims were read at about 11:30 a.m.

They chanted “end the silence, no more violence” and some held signs reading “Enough is Enough.”

12:30 p.m.

Hundreds of students assembled outside C.K. McClatchy High School in Sacramento after leaving class to protest gun violence.

The teenagers stood in silence for 17 minutes Wednesday morning as part of a nationwide school walkout to protest gun violence. They filled the parking lot in front of the school and lined the campus’ front steps.

McClatchy junior Maya Steinhart told the students assembled their silence spoke louder than words. Then, the 17-year-old told them to take out their phones and pre-register to vote.

Steinhart and other speakers called for elected officials to ban assault weapons to make schools safer.

California Attorney General and McClatchy graduate Xavier Becerra also spoke at the walkout. He urged students to pressure politicians to take action.

11:58 a.m.

Students throughout Los Angeles have joined others throughout California and the nation in protests against gun violence a month after 17 people were killed at a school in Parkland, Florida.

At Eagle Rock Junior/Senior High School, the names of the Parkland victims were read over a loud speaker Wednesday. Some students hugged each other while others held up sign demanding gun reform.

Eighth-grader Kristian Crisolo says he wanted to pay his respects to the victims in Florida, and he’s also angry.

11:37 a.m.

Thousands of students from colleges to elementary schools in the San Diego area have participated in a national protest against gun violence, observing 17 minutes of silence to honor the 17 victims of last month’s Florida school shooting.

Students at one Chula Vista high school released doves Wednesday while a dozen San Diego middle school students lay down on the grass under signs that read: “One child is worth more than all the guns on earth.”

At Santana High School in the San Diego suburb of Santee, about 150 students walked out of classrooms while members of Moms Demand Action for Gun Sense in America held signs out front as cars honked in support.

In 2001, a 15-year-old student fatally shot two Santana students and wounded 13 others.

11:05 a.m.

The names of 17 victims of last month’s Florida school shooting have been read aloud at Fresno High School, where hundreds of students have walked out of classes as part of a national protest.

The Fresno Bee says students held signs that asked, “Am I next?

During the reading of the names, students sat or lay down to represent each victim.

Students throughout California began walkouts at 10 a.m. Wednesday.

10:52 a.m.

Hundreds of students are rallying outside Oakland Technical High School, where several large tents have been set up to protect students from rain as they listen to speeches against gun violence.

A tent is also serving as a letter-writing center for students to write to their state and national representatives and urge them to do more on gun control.

A student organizer tells Oakland station KTVU she hoped to have 200 students to join the walkout but that hundreds more have walked out.

Students walked out of classes throughout California at 10 a.m. Wednesday to join a national protest one month after 17 people were killed at Marjory Stoneman Douglas High School in Parkland, Florida.

10:10 a.m.

California students have joined the national walkouts to protest gun violence in schools.

Students began leaving classrooms at 10 a.m. Wednesday from Los Angeles to the San Francisco Bay Area.

The protests follow the shooting rampage that killed 17 Marjory Stoneman Douglas High School in Parkland, Florida, on Feb. 14.

At one Los Angeles-area school students gathered on a sports field and held signs saying “Never Again.”