BALTIMORE (WJZ) — “We Are All Great Mills.” Along with the Great Mills hornet mascot, that’s the slogan on the front of t-shirts being sold to support the Great Mills community.

According to the fundraising page, the class of 2020 at Chopticon High School in Saint Mary’s County wanted to help those affected by the deadly school shooting in March.

READ MORE: COVID-19 In Maryland: More Than 3K New Cases Reported Sunday As Hospitalizations and Positivity Rate Continues To Decline

Each shirt costs $20 and the rest of the schools in the county are listed on the back. All of the proceeds go to the school board in an effort to help with school safety. So far, they’ve sold over 300 shirts and raised more than $3,000.

READ MORE: Salvation Army, 101.9 Collect Coats, Gloves To 'Bundle Up Baltimore' Homeless

The students ask that if you purchase a shirt, you wear it on May 18 to show unity in the community.

T-shirts can be purchased here.

MORE NEWS: Man Killed In Head-On Crash With Street Sweeper In Rosedale Saturday

Follow @CBSBaltimore on Twitter and like WJZ-TV | CBS Baltimore on Facebook