The actress and U.N. special envoy is using her social media platform to raise awareness.

Angelina Jolieis using her first-ever Instagram post for good.

“This is a letter I was sent from a teenage girl in Afghanistan,” Jolie wrote Friday.

Angelina Jolie

Angelina Jolie.Dia Dipasupil/Getty Images

She worries her school will be closed and they will lose their rights.

Knowing that if they had the tools and respect, how much they would do for themselves.

And meeting so many women and girls who not only wanted an education, but fought for it."

I will continue to look for ways to help.

And I hope you’ll join me."