The <H1> and the <H3> in the header area of the first page gets wrapped so that School and Trojans are put on another line. It looks like:
<!DOCTYPE html>
<html>
<head>
<title>Developing with jQuery Mobile</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="css/themes/lincoln.css">
<link rel="stylesheet" href="
http://code.jquery.com/mobile/1.2.0/jquery.mobile.structure-1.2.0.min.css">
<script src="
http://code.jquery.com/jquery-1.7.2.min.js"></script>
<script src="
http://code.jquery.com/mobile/1.2.0/jquery.mobile-1.2.0.min.js"></script>
</head>
<body>
<!-- This is the home Page -->
<div data-role="page" id="home">
<div data-role="header" style="width:100%">
<h1 style="white-space:normal">Lincoln High School</h1>
<h3 style="white-space:normal">Home of the Trojans</h3>
</div>
<div data-role="content">
<ul data-role="listview" data-inset="true" data-theme="a" >
<li>
<a href="#test" data-transition="flip">Administration</a>
</li>
<li>
<a href="#">Some Text 2</a>
</li>
<!-- This is the first link page -->
<div data-role="page" id="test">
<div data-role="header">
<h1 style="white-space:normal">Leon County Schools</h1>
</div>
<div data-role="content">
this is the test page
</div>
</div>
</body>
</html>