New York Mayor Michael R. Bloomberg has donated $1 million to help preserve a Los Angeles Board of Education majority that has pushed for several controversial efforts dealing with teachers — including remaking evaluations and speeding the dismissal process — that are supported by the L.A. mayor and the superintendent.

Brokered by L.A. Mayor Antonio Villaraigosa, the contribution to the Coalition for School Reform is the largest on record — by far — to support school board campaigns. The group is planning to spend the money on behalf of one incumbent, school board President Monica Garcia, and two others, Kate Anderson and Antonio Sanchez, in the March 5 election.

The donation could immediately skew election spending on behalf of those backed by Villaraigosa and the relatively small group of donors in the coalition, who have now collected more than $2.5 million. It is seeking both to protect Supt. John Deasy’s policies and to override the historic influence of the teachers union, United Teachers Los Angeles.

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