<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">

	<xsl:template match="/">
		<xsl:apply-templates select="students/student" />
	</xsl:template>
    
	<xsl:template match="student">
		<xsl:value-of select="@class" />
	</xsl:template>
    
</xsl:stylesheet>