Eleven children at a Harlem junior high school were being evaluated for minor injuries after an incident involving mace or pepper spray, according to FDNY officials. (DNAinfo / Ben Fractenberg) 
 
 HARLEM — A 14-year-old girl released mace into a classroom on Tuesday afternoon, sending nine students to the hospital, according to Department of Education officials. 
 
 The girl, a student at the Academy for Social Action, which is one of four schools at 509 W. 129th St., was given a juvenile report, a DOE spokeswoman said. 
 
 The incident is under investigation, she said. 
 
 Firefighters responded to incident at 2:40 p.m., bringing a hazmat team to evaluate 11 students. Fire officials said nine students were were taken to St. Luke's-Roosevelt Hospital with minor injuries. 
 
 The other junior highs that occupy the building once housed by I.S. 172, include the Urban Assembly Institute for New Technologies, Renaissance Leadership Academy and the Urban Assembly School for Performing Arts. 
 
 A woman answering the phone at the Academy for Social Action — a 6 through 12 school run in partnership with the nonprofit College Board, which administers the SAT, PSAT and Advanced Placement program — said the school had no comment.
– Welcome to Pepper Spray Nation. America's newly favorite weapon is making its way from the streets of California to the aisles of Walmart to the country's high schools. DNAInfo reports that nine Harlem students were rushed to a NYC hospital yesterday afternoon after a 14-year-old used pepper spray in a classroom. The Academy for Social Action didn't comment on why the girl blasted the spray, notes the New York Daily News. A student tells the Post that the classmate "sprayed the irritant indiscriminately into the air."