app/views/scoreboards/_form.html.erb
<%= simple_form_for(scoreboard) do |f| %>
<%= f.input :academic_year_calendar_id, as: :select, collection: Calendar.national, include_blank: false, hint: 'Used for scoreboard academic years'%>
<%= f.input :name %>
<%= f.input :description %>
<%= f.submit class: 'btn btn-primary' %>
<% end %>