The school teacher told the 7×7 website before the verdict that FSB intelligence agents showed up at the school and pressured her to “confess”.
She said she thought she was simply talking to her students off the record and blamed the leak on the teenagers’ pro-Kremlin parents.
“It’s their parents who strongly oppose my views who egged them on to do it. They wanted to punish me,” Ms Gen said.
The 45-year-old teacher handed in her notice shortly after she was charged.
A flood of criminal prosecution for dissent has followed Vladimir Putin’s recent dictatorial rhetoric about “enemies” inside Russia who are seeking the country’s destruction.
At least 3,000 people have been fined for smearing the Russian army since the bill was introduced in March, according to Agora, a Russian human rights association.
Over 80 people have faced criminal charges fraught with lengthy prison sentences. In one of the most glaring cases, Moscow councillor Alexei Gorinov last month was sentenced to seven years in prison over anti-war remarks at a public meeting.