Ask a buddy to run through your site too. An extra set of eyes never hurts. The Web is public. Your published work should meet professional standards of grammar, spelling and punctuation. Information wants to be free Intranets are great for financial institutions needing to keep billion dollar wire-transfers secure.
Little security is needed to protect the secrecy of fifth grade writing assignments.
Parents might want to read them from home and other children around the world might enjoy learning about what goes on in your classroom.