The Plainville PTO is sponsoring a presentation for parents on Internet safety at 7 p.m. Monday in the Anna Ware Jackson Elementary School cafeteria. The speaker, Katie LeClerc Greer, will address potential dangers of online communication, cyberbullying, and how to keep kids safe online. For more details and to register, visit the school district's website, www.plainville.k12.ma.us, or call 508-643-5225.