SO fiddle

Test Fiddle mainly for SO Questions

by Nick Craver

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/overcast/jquery-ui.css">
<select id="availability1">
  <option value="Available">Available</option>
  <option selected="selected" value="Scheduled">Scheduled</option>
  <option value="Unavailable">Unavailable</option>
</select>

<select id="availability2">
  <option value="Available">Available</option>
  <option value="Scheduled">Scheduled</option>
  <option selected="selected" value="Unavailable">Unavailable</option>
</select>

<select id="availability3">
  <option value="Available">Available</option>
  <option value="Scheduled">Scheduled</option>
  <option selected="selected" value="Unavailable">Unavailable</option>
</select>

<select id="availability4">
  <option value="Available">Available</option>
  <option selected="selected" value="Scheduled">Scheduled</option>
  <option value="Unavailable">Unavailable</option>
</select>

JavaScript

var scheduled = $("select").filter(function() {
    return $(this).val() == "Scheduled";
});
alert(scheduled.length);