It happens every autumn. Millions of young children start school for the very first time. They carry backpacks, lunchboxes, pencils, sometimes a grin on their face, but more often, a look of trepidation about what school will really be like. They wonder: Will my teacher be nice? Will I have friends? What if I can’t find my way? Who will sit with me? What will I do? What if I don’t…