Wearing a leopard-print khimar veil covering her head and body, she describes visiting schools or colleges a couple of times a week across Chechnya and neighbouring republic Ingushetia.
A military commander said more than 5,000 civilians have been evacuated from eastern parts of Mosul and taken to camps.
The surprise attack showed that even while under siege, the group could still sow chaos in parts of Iraq far from its base in Mosul What is the fight for Mosul all about?
"There were special groups who taught children how to fight, they treated it as a game, they taught them how to shoot," the woman tells the class of Grozny teenagers.
Saratova hopes Russian federal authorities will remove their ban on repatriating women from Syria and Iraq.