app/views/shared/_navigation.html.erb
<div class='fixed-top'>
<% if show_sub_nav?(@school, @hide_subnav) %>
<%= render 'shared/nav', mini_nav: true %>
<%= render 'shared/sub_nav', podium: current_school_podium, school: @school || @tariff_holder %>
<% elsif @tariff_holder&.school? && show_sub_nav?(@tariff_holder, @hide_subnav) %>
<%= render 'shared/nav', mini_nav: true %>
<%= render 'shared/sub_nav', podium: current_school_podium, school: @tariff_holder %>
<% elsif @school_group && request.path.starts_with?('/school_groups') && can?(:update_settings, @school_group) %>
<%= render 'shared/nav', mini_nav: true %>
<%= render('school_groups/sub_nav', school_group: @school_group) if can?(:update_settings, @school_group || @tariff_holder) %>
<% elsif @tariff_holder&.school_group? && request.path.starts_with?('/school_groups') && can?(:update_settings, @tariff_holder) %>
<%= render 'shared/nav', mini_nav: true %>
<%= render('school_groups/sub_nav', school_group: @tariff_holder) if can?(:update_settings, @tariff_holder) %>
<% else %>
<%= render 'shared/nav' %>
<% end %>
</div>