Teacher: hero. Copy editor: less so.

In Sunday's Arizona Republic, National Briefs, page A2:

Teacher kept school bus out of oncoming traffic
The driver of a bus carrying 44 children on a field trip passed out at the wheel, and a teacher's quick actions kept the vehicle careening into oncoming traffic, students said.
...

That would be horrible, if the teacher's actions kept the vehicle careening into oncoming traffic. What's presumably heroic here is that the teacher's actions kept the vehicle from careening into oncoming traffic. That is, that it prevented that untoward fate.