The Washington Supreme Court upheld most of the state’s charter school law Thursday, eliminating the specter that a dozen schools serving about 3,400 students might have to close.

Teachers unions, civil rights groups, and others had challenged the charter school law, arguing that using public money to operate alternative, nonprofit charter schools over which voters have no direct control violated the state Constitution.

A majority of the court rejected most of their arguments but struck down part of the law that restricted the ability of charter school employees to unionize.

Read the full article on the Boston Globe website.