I didn't say that every school, or every student was terrible. There are certainly some good schools and students in Florida.
However, overall education in Florida lags behind that in other states. According to an article in the Jan. 17, 2018 edition of the Orlando Sentinel newspaper, Florida ranks 29th in a report on education quality and 45th in education financing. This means that Florida is sub-par compared to other states.
However, on the upside, the article notes that Florida is improving.