Carla Hale, beloved 19-year teacher at Bishop Watterson High School here, was fired by the Catholic Diocese in March for "violating the morality clause."
Hundreds of teachers and supporters - joined by teachers from other parts of the state - demonstrated in front of the board of education building.
Save CCSF will hold further actions to broaden support for its three-point plan to save the college.
Leaders of the nation's two teachers unions praised President Obama and lawmakers who have unveiled comprehensive gun control proposals.
Tea Party Republicans should have witnessed what took place last night at the Cesar Chavez Academy, a large for-profit charter school in Southwest Detroit.
"Too many new teachers enter our schools feeling unprepared. We shouldn't tolerate that in a profession so important to our country's future."
"We didn't start this fight; the assault on public education started here and it needs to end here," declared Karen Lewis, president of the Chicago Teachers Union.
A sea of red-shirted teachers, other public workers, parents, community residents and students joined in a massive show of solidarity in Chicago on Labor Day as teachers prepare for a possible strike Sept. 10.
The vice president was introduced by Jill Biden who taught for 13 years in a public high school and continues teaching full time at Northern Virginia Community College, even as she serves as the "Second Lady."
AFT President Randi Weingarten began her keynote address to 3,000 delegates as the AFT opened its national convention. She drew a standing ovation.