The old Adamson High School building turns 100 this year, and alumni are planning a big celebration this weekend.

A parade starts at 10 a.m. Saturday, April 25, beginning and ending at the old school. Participants include Mayor Mike Rawlings, whose wife, Micki, is an Adamson alumna. The Adamson High School band will march, along with former cheerleaders and Leopardette drill team members. Also on parade: former queens of homecoming, Valentine’s and basketball, as well as “Mr. and Miss Howdy” and “ugly man” contestants.

The oldest-living alumnus, 102-year-old George McDowell, also will be in attendance. The Adamson all-class reunion will follow the parade inside the old school, with a lunch and guest speakers.

The school opened as Oak Cliff High School in 1915 with 635 students. It later was renamed in honor of longtime school superintendent W.H. Adamson, who lived in Winnetka Heights and had been principal of the high school for many years.

The old school closed in 2012 when the new Adamson High School was built adjacent.