For our social media and blog commenting guidelines visit: http://www.iu13.org/comment-guidelines/ Lancaster-Lebanon IU13 is a educational service provider. IU13 provides service to 22 public and non-public schools districts in both Lancaster and Lebanon, Pennsylvania. IU13 has a diverse range of services to offer its clients including a full service conference center, educational support for special needs students, instructional support, business support including Human Resources and technology services.