The San Francisco Chronicle reports that an Oakland judge has struck down a controversial exit exam requirement in the state of California. The tentative ruling stated that the requirement is unfair to some students who are “shortchanged” by substandard schools. If this ruling is finalized, it would prohibit the state from carrying out its plans to deny diplomas to students who have been unable to pass the exam. Judge Robert Freedman said he based his ruling on the concept of “equal protection.” This ruling comes just weeks before graduation ceremonies begin at 1,129 state high schools…