Not even Posh Spice could escape childhood bullying. Victoria Beckham opened up this week about being taunted and teased at school, revealing she struggled “enormously” with her academics. “I’m a self-diagnosed dyslexic. I suffer from dyscalculia,” the fashion designer said during an Oct. 22 appearance on the “Call Her Daddy” podcast. “All those things that weren’t recognized when I was a kid. They just called me ‘thick.’” Beckham, 51, described herself “quite an awkward child” who was more