Bennett Kayser, the candidate favored by the teachers union, won the last remaining open seat for the Los Angeles Board of Education on Thursday, beating Luis Sanchez, who was supported by the mayor.

"Teachers and teachers unions have been scapegoated, and I think we're on the road to vindication right now," Kayser said.

Kayser, a retired teacher, received about 10,700 votes, nearly 600 more than Sanchez, who is chief of staff for the current school board president, Monica Garcia. Voter turnout was less than 10%, and most ballots were cast by mail. Sanchez said he does not plan to ask for a recount.

The race to represent the 5th District, which covers the area