SRI Lexile – AR Grade Level*

Conversion Chart

Lexile Rating

AR Grade Level

Color Lexile Rating

AR Grade Level

Color

25 and below 0.3 – 0.9 Pink Dot 550 3.0 Black Dot 25 1.1 Red/White

Stripe Dot 575 3.2 Black Dot

50 1.1 600 3.3 Black Dot 75 1.2 625 3.5 Yellow Dot

100 1.2 650 3.7 Yellow Dot 125 1.3 675 3.9 Yellow Dot 150 1.3 700 4.1 Light Blue 175 1.4 725 4.3 200 1.5 Red Dot 750 4.5 Dark Blue 225 1.6 775 4.7 250 1.6 800 5.0 Orange Dot 275 1.7 825 5.2 300 1.8 850 5.5 Orange/White

Stripe Dot

325 1.9 875 5.8 350 2.0 Light Green Dot 900-1300 6.0 – 13.5 Purple Dot 375 2.1 400 2.2 425 2.3 450 2.5 Dark Green Dot 475 2.6 500 2.7 525 2.9 Dark Green Dot

This conversion chart is based on educational levels from the published “Lexile Framework”

chart. A smoothed curve was fit through the grade-level points indicated here, and

regression analysis provided the equations:

Lexile=500Ln(Grade Level) or, the counterpart GradeLevel=e0.002(Lexile)

*”Lexile” and “Lexile Framework” are trademarks of Metametrics, Inc.

Advantage Learning Systems, Inc.