Stepping up

At a special school even at Gotham Academy Armed gunmen seize the building taking everyone in it hostage. They gather everyone together in the gym keeping Bruce Wayne and his ward Dick Grayson separated from the rest and under guard. They send out a message listing their demands saying that if they see Batman or Robin they will start killing the hostages, starting with the VIPs.
Artemis knowing that Batman and Robin wouldn't be able to risk lives decides to take things into her own hands. She contacts the rest of the team and instructs them on what to do.