Henderson Institute ceased operation as an official high school in 1970 and began operating as a ninth grade center until 1974. After that, the Henderson Institute name was discontinued, and the school became a part of Eaton Johnson Jr. High School.
![](https://henderson-institute.org/wp-content/uploads/2020/05/hi_landscape.jpg)
Henderson Institute ceased operation as an official high school in 1970 and began operating as a ninth grade center until 1974. After that, the Henderson Institute name was discontinued, and the school became a part of Eaton Johnson Jr. High School.