text: 1 to 24: Profound mental disability 25 to 39: Severe mental disability 40 to 54: Moderate mental disability 55 to 69: Mild mental disability 70 to 84: Borderline mental disability   85 to 114: Average intelligence 115 to 129: Above average or bright 130 to 144: Moderately gifted 145 to 159: Highly gifted 160 to 179: Exceptionally gifted 180 and up: Profoundly gifted