512-268-2141 x 45050. Hays CISD; Saturn V - About the Program; Popular Links . Popular Links. Hays Consolidated Independent School District Changing Lives One Student at a Time. ADDRESS: 21003 Interstate 35 Frontage Road, Kyle, TX 78640-4745. PHONE: 512-268-2141. FAX: Site Map. Pinterest; YouTube; Vimeo; Twitter; Flickr; Linkedin;