Eureka High School (commonly called Eureka High or EHS) is a public secondary school in Eureka, Illinois, United States.

The school is part of Eureka Community Unit District 140, with admission based primarily on the locations of students' homes.

Communities supported include Eureka, Goodfield, Secor, and Congerville.

[3] The school is a member of the Heart of Illinois Conference and competes under the name Hornets.

21 Illinois State Scholars 2014 ACT Red Quill Award for Excellence[4] 2014 Nationally Ranked High School by US News IHSA State Trophies in