What is the average improvement in LSAT score for those who retake the LSAT?

The following table summarizes the average increase or decrease in performance on the LSAT for test-takers who retook the LSAT in 2009-2010.

The “Initial LSAT Score” listed is the score that test-takers recieved on a previously administered LSAT exam.

For each Initial LSAT Score, the “Average Improvement When Retaken” is the average score increase (+) or decrease (-) earned on the subsequent administration.

Initial LSAT ScoreAverage Improvement When Retaken
120+8.4
125+5.4
130+2.9
135+2.7
140+2.3
141+2.3
142+2.4
143+2.2
144+2.3
145+2.5
146+2.4
147+2.1
148+2.4
149+2.3
150+2.3
151+2.3
152+2.2
153+2.1
154+2.5
155+2.2
156+2.4
157+2.3
158+2.3
159+2.2
160+2.7
161+2.5
162+2.5
163+2.5
164+2.5
165+2.4
166+2.3
167+2.3
168+1.7
169+2.1
170+1.8
171+2.5
172+0.3
173-0.5
174+0.7
175-3.2
176-0.3
177-4.0
178-0.5
179-3.0
180-4.0

Source: LSAC, LSAT Repeater Data

I improved my score by 25 points and got a 177 on the LSAT.

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