WASHINGTON — The “March for Our Lives” rallies unfolding in Washington, D.C., and across the country Saturday have attracted hundreds of thousands of people protesting gun violence, and a handful of prominent celebrities have pledged donations to support the cause and its participants. The movement, organized mainly by Never Again MSD (Marjory Stoneman Douglas), an organization set up by students in the aftermath of last month’s deadly Parkland high school shooting, has attracted financial support from stars including Taylor Swift and George Clooney.

Swift, who often stays quiet on social issues and started out her career as a country music star, broke her silence on gun control via Instagram. She announced Friday she donated, although didn’t disclose an amount.

“No one should have to go to school in fear of gun violence,” she said.

“I’ve made a donation to show my support for the students, for the March for Our Lives campaign, for everyone affected by these tragedies, and to support gun reform.”

Swift’s announced donation came after pledges from other big names, including Clooney and his wife, Amal. They…