Valerie Strauss summarizes the race between Marshall Tuck and Tony Thurmond.

Tuck has raised nearly $30 million from the billionaires who support charter schools; Thurmond has raised about $15 million, mostly from labor unions, teachers, and Democrats.

Tuck is supported by the Republican party. Although he claims to be a Democrat, he was booed at the state Democratic convention.

She writes:

One of the loudest and most expensive state races in the country is between two Democrats vying to win the nonpartisan position of superintendent of public instruction in California. More money is being spent on the race — for a position that has no independent policymaking power — than in most U.S. Senate campaigns.

The fight — the costliest in the state’s history for this post, with more than $43 million in campaign contributions, according to EdSource — is between state legislator Tony Thurmond and Marshall Tuck, a former…