Hortonville Area School District - E3 Referal Forms https://www.cms4schools.com/news_rss.cfm?detailid=591855&memberid=896 Hortonville Area School District - E3 Referal Forms en-us Process for E3 Referal //www.hasd.org/cms_files/resources/Process for E3 Referal.pdf Billing Scheduling Process https://www.cms4schools.com//www.hasd.org/cms_files/resources/e3billingschedulingprocess.pdf