active_admin_sidebar ==================== easy change sidebar position with activeadmin 1) change sidebar position dynamically with before_filter # app/admin/posts.rb ActiveAdmin.register Post do before_filter :left_sidebar!, :only=>[:show] end # app/admin/comments.rb ActiveAdmin.register Comment do before_filter :right_sidebar! end 2) move sidebar to left within all resource (config/initializers/active_admin.rb) # == Controller Filters # # You can add before, after and around filters to all of your # Active Admin resources from here. # config.before_filter :left_sidebar! Add including of css file @import "active_admin_sidebar"; to the app/assets/stylesheets/active_admin.css.scss