Both focus on teachers, have the same kind of special effects and sense of fun. If you are looking for a retro toku these are good choices
They have the same producer and other connection that you see when watching king-ohger. They are both fun shows
Both feature a lot of rider on rider fighting and explore similar themes of growing up with many character having their ideals challenged
Both gender change plots that explore how the change effects the romantic life of the main characters.