Hartington Elementary School http://educationseek.com/schools/USA//NE/CEDAR/HARTINGTON/HARTINGTON_ELEMENTARY_SCHOOL/ Hartington High School http://educationseek.com/schools/USA//NE/CEDAR/HARTINGTON/HARTINGTON_HIGH_SCHOOL/ Holy Trinity Elementary http://educationseek.com/schools/USA//NE/CEDAR/HARTINGTON/HOLY_TRINITY_ELEMENTARY/