IQ score guide

Intelligence Interval       Cognitive Designation

40 - 54                              Severely challenged (Less than 1% of test takers)

55 - 69                              Challenged (2.3% of test takers)

70 - 84                              Below average

85 - 114                            Average (68% of test takers)

115 - 129                          Above average

130 - 144                          Gifted (2.3% of test takers)

145 - 159                          Genius (Less than 1% of test takers)

160 - 175                          Extraordinary genius