Teachers Unions and Student Advocacy Group Go Head-to Head in California Appeals CourtMadeleine Davies4/15/16 4:05pm2255EditInvite manuallyPromoteDismissUndismissHideGo to permalinkCalifornia teachers have won an appeal to overturn a 2014 case brought by student advocacy group Students Matter, which limited educators’ rights to tenure and eased the ability with which they could be fired.