<%= f.object.classroom %>

<%= f.simple_fields_for :classroom_steps do |step| %> <%= render 'step_fields', f: step %> <% end %>
<%= SchoolCalendarClassroomStep.human_attribute_name :start_at %> <%= SchoolCalendarClassroomStep.human_attribute_name :end_at %> <%= SchoolCalendarClassroomStep.human_attribute_name :start_date_for_posting %> <%= SchoolCalendarClassroomStep.human_attribute_name :end_date_for_posting %>