Toni, why did the teachers at your school consider a strike? Did you even try to see it from their point of view?
While I would never do that to my students (I knew I wasn't going to get wealthy being a teacher), our administration seems to think that teachers are expendable, and are trying to give us a very low raise ($50 a year). We are paid pretty well for the area, so I wouldn't strike over it, but I understand that in some places, teachers are hugely underpaid for the work they do.
My union (The NEA, the one Rod Paige called "terrorists;" good riddance to him) helps in other ways, though.
Are strikes worth it? Sometimes. But in some professions (health care, education), I think something seriously terrible has to happen before considering a strike.