Holding signs showing a brown fist clutching a red apple, the Boston Teachers Union and its supporters rallied outside of School Department headquarters Wednesday to demand additional school nurses, guidance counselors, and psychologists to improve help for vulnerable students.

They demanded one full-time nurse and one full-time guidance counselor in every school and additional “social-emotional learning” support — such as social workers and psychologists — “to help secure our students’ mental, physical, and emotional health,” the union said in a press release.

“We are fighting for special education done right,’’ union president Jessica Tang told cheering supporters in Dudley Square.“As educators we know that …every student who walk through our door is precious. …We show up and we will fight for what is right’’ for them.

Read the full article on the Boston Globe website.