Those set to appear include U.S. Sen. David Vitter, of Metairie; Lt. Gov. Jay Dardenne, of Baton Rouge; Public Service Commissioner Scott Angelle, of Breaux Bridge; and state Rep. John Bel Edwards, of Amite.
Vitter, Dardenne and Angelle are Republicans.
Edwards is a Democrat.
The meeting is set for from 9:30 a.m. until 11:30 a.m. at the Shreveport Convention Center
The candidates will be asked questions on kindergarten-through-12th-grade education, said Scott Richard, executive director of the LSBA.
Common Core, which represents new standards in reading, writing and math, is expected to be a key topic.
The forum takes place less than a month before about 300,000 public schools students are set to take Common Core tests for the first time.
Gov. Bobby Jindal cannot seek a third consecutive term.