Sacred Heart School is a private elementary and secondary school in Sedalia, Missouri, providing education for grades Kindergarten through 12th grade.

Student to teacher ratios range from 13.4 to 1 in the secondary school to 20 to 1 in the elementary grades.

[1] The school mascot is the Gremlin, with team colors of red and white.

Sacred Heart won the State Championship in 2014 in Boys' Basketball.

They have also won 2 State Championships in Volleyball and 3 in Boys' Golf.