No, IE 10 has IE 5.5 (quirks — IE6 was where quirks mode was introduced), IE7 "Standards Mode", IE8 "Standards Mode", IE9 "Standards Mode", IE10 "Quirks Mode", and IE10 "Standards Mode".

http://hsivonen.iki.fi/doctype/ie8-mode.png is a flow-chart of the modes and switches for them as of IE8.