app/views/schools/_school_group.html.erb
<div id="accordionSchoolGroup<%= school_group.id %>" class="accordion-block">
<div class="card">
<div class="card-header" id="headingSchoolGroup<%= school_group.id %>">
<h5 class="mb-0 float-left">
<a class="nav-link collapsed" data-toggle="collapse" data-target="#collapseSchoolGroup<%= school_group.id %>" href="#collapseSchoolGroup<%= school_group.id %>" role="button" aria-expanded="false" aria-controls="multiCollapseExample1"><%= school_group.name %></a>
</h5>
</div>
<div id="collapseSchoolGroup<%= school_group.id %>" class="collapse" aria-labelledby="headingSchoolGroup<%= school_group.id %>" data-parent="#accordionSchoolGroup<%= school_group.id %>">
<div class="card-body">
<div class='btn-group'>
<%= link_to t('schools.school_group.view_schools'), school_group_path(school_group), class: 'btn nav-link' %>
<% if can?(:compare, school_group) %>
<%= link_to t('schools.school_group.compare_schools'), compare_index_path(school_group_ids: [school_group.id]) + '#groups', class: 'btn nav-link' %>
<% end %>
</div>
<div class="padded-row">
<% school_group.schools.visible.by_name.select(:name, :slug).each do |school| %>
<%= link_to "#{school.name}", school_path(school), class: 'nav-link' %>
<% end %>
</div>
</div>
</div>
</div>
</div>