The Itty-Bitty Witch - Trisha Speed Shaskan

Betty can't wait to be a first-grade witch. But on the first day of school, her classmates start calling her Itty Bitty because she's small and still uses her kinder-broom. Betty doesn't like the nickname--or how it makes her feel itty-bitty inside. So she comes up with a BIG idea to prove herself: winning the Halloween Dash.