Bullied Bus Monitor Karen Klein, News Anchor Jennifer Livingston & More of 2012's Inspiring People

Every week PEOPLE spotlights the Heroes Among Us, those who are making a difference in their community and in the lives of others.

From high school students taking a stand against bullying to the generosity of a police officer, these five inspiring stories warmed our hearts in 2012.

Karen Klein, Bullied Bus Monitor, Gets Apologies from Kids

At least three of the students who were seen taunting school bus monitor Karen Klein on a viral video have issued statements of apology to the 68-year-old grandmother.

Karen Klein, School Bus Monitor, Feels Sorry for Kids Who Bullied Her

Some students on Bus No. 784 were calling her names on Monday. One said she looked like a troll. Another told her she didn’t have a family because they all committed suicide.

In the 10-minute video that has since gone viral with nearly 2.7 million views (so far), upstate New York bus monitor Karen Klein, 68, takes the teasing and taunts sitting down and without raising her voice.