A shocking sign banning students from speaking Spanish was plastered on a Pennsylvania school bus this week — prompting outrage and a bus company to be banned. The handwritten note — reading “Out of respect for English only students there will be NO speaking Spanish on this bus!” — was found by a furious parent of Juniata County School District. According to the latest US Census data, Juniata County is overwhelmingly white — with 94% of the population identifying as such. Hispanic and Latino peoples make up the second-most populous race in the county, but just 900 people of…..