The "Bad Romance" singer will provide funding for 162 classrooms in Dayton, Ohio; El Paso, Texas and Gilroy, California.
"My heart goes out to those who were taken from us too soon and to their families, loved ones, and communities who are left to grieve. Everyone has the right to laws that make them feel safe in their communities. In this moment, I want to channel my confusion, frustration, and fury into hope. Hope that we are there for each other and for ourselves," she wrote on Facebook on Friday.
Gaga, 33, announced that she would donate to 162 classrooms through Donors Choose, an organization in which teachers can fundraise for classroom projects for their students.
Mother Monster, through her Born This Way Foundation, will fully fund 125 classrooms in El Paso, 23 classrooms in Gilroy and 14 classrooms in Dayton in memory of those tragically killed in the mass murders in each city.
As a longtime mental health advocate through her foundation, the Oscar winner pointed out the importance of looking after one's self and others following a tragedy and beyond.
"Surviving and recovering from these tragedies also means prioritizing your mental health and checking in on your loved ones," she wrote. "If you’re struggling, please be brave and tell a trusted someone. Don’t be scared to ask for help, I beg you. If you see a loved one struggling, please be brave and reach out, remind them it’s ok to not be ok, and listen to them. We cannot turn away from ourselves. We cannot turn away from our loved ones. We need each other. Don’t turn away."
The shootings in Ohio and Texas left at least 31 people dead and dozens injured. The shooting at the Gilroy Garlic Festival left four dead, including the gunman, and 13 injured.