Major contributions went to independent expenditure committees supporting the candidates.
The association also endorses Marshall Tuck for superintendent of public instruction.
During the debate, they also called for substantially increasing education funding.
The split in support echoes the expensive race for state superintendent four years ago.
With five candidates in the race, it may be more difficult for one to win a majority in the primary.
Civil rights group called on Tuck to renounce the money and denounce its donor, Howard Fieldstead Ahmanson.
CTA gives early boosts to several leading Democratic contenders for statewide office
What also happened to California proposals for charter schools, fiscal transparency, longer teacher probation — and more.
Marshall Tuck explains his approach, Tony Thurmond points to bills he is authoring.
Both bills would add optional third year; school districts prefer one version, CTA the other.
Assembly Bill 1220 would require teachers to spend three years in the classroom before getting tenure.