Sonora, CA…From the Tuolumne County Sheriff’s Department…”Due to unsubstantiated social media posts Curtis Creek Elementary School decided to close today as a precautionary measure. There is no credible threat to the school at this time. The Sheriff’s Office has investigators looking into the situation and more information will be provided as it is obtained. We all have the community and schools best interest at heart and will work diligently to ensure everyone’s safety”