Tedde Moore – who starred as Miss Shields in “A Christmas Story” – has died at the age of 79. The Canadian-born actress, who battled multiple sclerosis, died on Wednesday in Huntsville, Muskoka, “surrounded by family physically and spiritually,” a statement shared on her Facebook page said. Moore’s cause of death hasn’t been revealed. “Her bravery in this choice was almost overwhelming, beyond beautiful and also difficult,” her family said. The actress was known for her role as Ralphie Parker’s teacher in the Bob Clark-directed movie, which featured Peter Billingsley, Melinda Dillon, and Darren McGavin. Moore’s family paid homage to her…