school-platform/app/views/courses/show.html.erb

<% provide(:title, @course.name) %>
<div class="row">
  <div class="col-md-12">
    <h1><%= @course.name %></h1>
  </div>
</div>
<div class="row">
  <div class="col-md-6">
    <div class="panel panel-primary">
      <div class="panel-heading">
        Teachers
      </div>
      <table class="panel-body table table-striped table-bordered table-hover">
        <tbody>
          <% for teacher in @course.users.merge(CourseParticipation.teachers) %>
            <tr>
              <td>
                <%= render teacher %>
              </td>
            </tr>
          <% end %>
        </tbody>
      </table>
    </div>
    <div class="panel panel-primary">
      <div class="panel-heading">
        Students
      </div>
      <table class="panel-body table table-striped table-bordered table-hover">
        <tbody>
          <% for student in @course.users.merge(CourseParticipation.students) %>
            <tr>
              <td>
                <%= render student %>
              </td>
            </tr>
          <% end %>
        </tbody>
      </table>
    </div>
  </div>
</div>