Classification essay?

I have to write an classifaicatuion paper I need help, paragraph1-3 has to be on classifaction I was thinking of " secondary education (highschool) Public, privite school?... altervitive secondary education :online schooling , homschooling paragraph 4-6 is on examples but doesnt have to to examples on what is written on Paragraph 1-3, just some thing realted maybe" The city of Cambridge had the best secondary education in MA and i was going to explain one one public school and a privite school???