A GUIDE TO PERCENTILE RANKS & CLASSIFICATION RATINGS
(Wechsler Tests)
IQ Percentile Range Classification
130 and above 98 to 99.99 Very Superior
120 to 129 91 to 97 Superior
110 to 119 75 to 90 High Average
90 to 109 25 to 73 Average
80 to 89 9 to 23 Low Average
70 to 79 2 to 8 Borderline
69 and below .01 to 2 Intellectual Deficient