capacity of technical coach. However, when the Scottish Rugby Union was forced to merge the Caledonian Reds with the Glasgow Warriors during budget cut-backs, Hadden returned to teaching at Merchiston. While coaching the 1st XV he took them on to win The Scottish Schools Cup on a number of occasions. Along with rugby he was also an athletics coach at the school. Edinburgh and Scotland In 2000 a player revolt led to the removal of Ian Rankin as coach of Edinburgh Rugby. The Scottish Rugby Union's Director of Rugby Jim Telfer asked Hadden to accept the role of head coach. In 2004, he became the first coach to take a Scottish professional team to the Heineken Cup quarter-finals. In April 2005 Matt Williams was sacked as Scotland coach after losing all but three of his 17 matches in charge. That month Hadden was appointed Scotland interim coach, leading Scotland to victories against the Barbarians and Romania. On 15 September 2005 Hadden was confirmed as Scotland coach until the Rugby World Cup in 2007. Hadden's first Six Nations game was a historic victory over France at Murrayfield on 5 February 2006 by 20 points to 16. This was the first time since 1999 that Scotland had beaten France. He succeeded in generating confidence in the team that was lacking under his predecessor. Chris Paterson said of Hadden's influence: "There is a confidence among the guys now and increased skill and belief in our handling... That's a testament to Frank and his coaching team." The Calcutta Cup returned to the SRU trophy cabinet on 25 February 2006 for the first time since 2000 after Hadden coached Scotland to victory over England. The win was largely due to a defensive effort that saw 112 tackles made by Scotland, with only 6 missed. Scotland finished third in the 2006 Six Nations, their best result since 2001. Their three wins in the 2006 Six Nations contrasting their sole win from the 2004 and 2005 tournaments. The turnaround was largely credited to Hadden, as the players available were nearly identical. Their win over France in the six-nations put Scotland eighth in the IRB world rankings. Under Hadden Scotland reached as high as seventh in the world rankings. Hadden continued to coach Scotland through 2007, and coached them to the quarter-finals of the 2007 World Cup where they were defeated by Argentina. On 18 December 2007 the