<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="container">
<form class="form-horizontal">
<fieldset>
<center><h3>School Admission Form</h3></center>
<div class="form-group">
<label class="col-md-4 control-label" for="First Name">First Name</label>
<div class="col-md-4">
<input id="First Name" name="First Name" type="text" placeholder="Enter First Name" class="form-control input-md" required="">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="Middle Name">Middle Name</label>
<div class="col-md-4">
<input id="Middle Name" name="Middle Name" type="text" placeholder="Enter Middle Name" class="form-control input-md">
</div>
</div>
<div class="form-group">
<label class="col-md-4 control-label" for="Last Name">Last Name</label>
<div class="col-md-4">
<input id="Last Name" name="Last Name" type="text" placeholder="Enter Last Name" class="form-control input-md" required="">
</div>
</div>