Calhoun Unit 40 is an educational organization located in Hardin, Calhoun, Illinois, catering to students in grades 9 through 12. With a strong focus on providing quality education, Calhoun Unit 40 offers a comprehensive range of programs and services for students of all ages. Within the Calhoun Unit 40 district, there is the CES Elementary School and the CHS High School, both dedicated to fostering a nurturing and enriching learning environment.

The district provides valuable resources for parents and students, including registration forms, district report cards, and information about district policies. They also offer specialized programs, such as the Calhoun Early Childhood Program, aimed at laying a solid foundation for children's education. In addition to academic endeavors, Calhoun Unit 40 recognizes the importance of extracurricular activities and athletics.

They provide a diverse range of options through CES Athletics and CHS Athletics, allowing students to engage in sports and other activities that promote teamwork and personal growth. Calhoun Unit 40 is committed to ensuring a holistic educational experience for every student in their care. To learn more or get in touch, please contact Calhoun High School at (618)-576-2229 or visit their website for additional resources and information