app/views/home/index.html.erb
<div class='calendar'></div>
<div id='calendar_filters'>
<% @rooms.each do |room| %>
<%= check_box_tag room.name, room.id, true, class: 'room_filter' %>
<%= room.name %>
<% end %>
<%= check_box_tag 'My Events', 0,false, id: 'counselor_filter' %>
<b>Only my events</b>
</div>