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Lexile Grade Level Charts

What are Lexile Student Measures by Grade?
A research study was conducted to describe Lexile ranges for each grade. Data for these national student norms came from a sample of over 3 million students across the United States and the Virgin Islands who were administered tests that reported Lexile measures from 2010 to 2019.

The Difference Between Student Norms and Performance Standards
Percentiles from national student norms describe how a student performed compared to all of the students measured. Performance standards are set by states and assessment developers. Labels such as “basic” or “proficient” are often applied to each standard. So, a student at the 50th percentile could be both at the mid-point of student norms and “not meet grade-level performance standards”. Access our For Educators page to understand more about these topics and our research.

  • K
  • 1st
  • 2nd
  • 3rd
  • 4th
  • 5th
  • 6th
  • 7th
  • 8th
  • 9th
  • 10th
  • 11th
  • 12th
Grade Time of Year 10th Percentile 25th Percentile 50th Percentile 75th Percentile 90th Percentile
K Fall BR400L BR400L BR345L BR195L BR45L
Winter BR400L BR400L BR250L BR100L 60L
Spring BR400L BR310L BR160L BR5L 145L
1st Fall BR400L BR200L 10L 220L 430L
Winter BR325L BR120L 85L 290L 495L
Spring BR235L BR35L 165L 365L 565L
2nd Fall BR90L 100L 290L 480L 670L
Winter BR15L 170L 355L 545L 730L
Spring 60L 245L 425L 605L 790L
3rd Fall 180L 355L 530L 705L 880L
Winter 245L 415L 590L 760L 930L
Spring 310L 480L 645L 810L 980L
4th Fall 410L 570L 735L 895L 1055L
Winter 480L 635L 790L 950L 1105L
Spring 550L 700L 850L 1005L 1155L
5th Fall 595L 745L 900L 1050L 1205L
Winter 620L 770L 925L 1075L 1230L
Spring 645L 795L 950L 1100L 1255L
6th Fall 680L 835L 990L 1140L 1295L
Winter 700L 855L 1010L 1160L 1315L
Spring 720L 875L 1030L 1180L 1335L
7th Fall 755L 910L 1060L 1215L 1370L
Winter 770L 925L 1080L 1230L 1385L
Spring 790L 940L 1095L 1250L 1405L
8th Fall 815L 970L 1125L 1280L 1430L
Winter 830L 985L 1140L 1295L 1450L
Spring 845L 1000L 1155L 1310L 1465L
9th Fall 870L 1025L 1180L 1335L 1490L
Winter 885L 1040L 1195L 1345L 1500L
Spring 895L 1050L 1205L 1360L 1515L
10th Fall 920L 1075L 1230L 1385L 1540L
Winter 930L 1085L 1240L 1395L 1550L
Spring 940L 1095L 1250L 1410L 1565L
11th Fall 960L 1115L 1270L 1425L 1585L
Winter 970L 1130L 1285L 1440L 1595L
Spring 985L 1140L 1295L 1450L 1605L
12th Fall 960L 1115L 1270L 1425L 1585L
Winter 970L 1130L 1285L 1440L 1595L
Spring 985L 1140L 1295L 1450L 1605L

K - 10th Percentile

Fall

Winter

Spring

BR640L

BR550L

BR460L

K - 25th Percentile

Fall

Winter

Spring

BR495L

BR405L

BR310L

K - 50th Percentile

Fall

Winter

Spring

BR345L

BR250L

BR160L

K - 75th Percentile

Fall

Winter

Spring

BR195L

BR100L

BR5L

K - 90th Percentile

Fall

Winter

Spring

BRR40L

55L

150L

1st - 10th Percentile

Fall

Winter

Spring

BR405L

BR320L

BR230L

1st - 25th Percentile

Fall

Winter

Spring

BR200L

BR120L

BR35L

1st - 50th Percentile

Fall

Winter

Spring

10L

85L

165L

1st - 75th Percentile

Fall

Winter

Spring

220L

290L

365L

1st - 90th Percentile

Fall

Winter

Spring

435L

505L

570L

2nd - 10th Percentile

Fall

Winter

Spring

BR85L

BR10L

65L

2nd - 25th Percentile

Fall

Winter

Spring

100L

170L

245L

2nd - 50th Percentile

Fall

Winter

Spring

290L

355L

425L

2nd - 75th Percentile

Fall

Winter

Spring

480L

545L

605L

2nd - 90th Percentile

Fall

Winter

Spring

675L

735L

795L

3rd - 10th Percentile

Fall

Winter

Spring

185L

250L

315L

3rd - 25th Percentile

Fall

Winter

Spring

355L

415L

480L

3rd - 50th Percentile

Fall

Winter

Spring

530L

590L

645L

3rd - 75th Percentile

Fall

Winter

Spring

705L

760L

810L

3rd - 90th Percentile

Fall

Winter

Spring

885L

935L

985L

4th - 10th Percentile

Fall

Winter

Spring

415L

485L

555L

4th - 25th Percentile

Fall

Winter

Spring

570L

635L

700L

4th - 50th Percentile

Fall

Winter

Spring

735L

790L

850L

4th - 75th Percentile

Fall

Winter

Spring

895L

950L

1005L

4th - 90th Percentile

Fall

Winter

Spring

1060L

1110L

1160L

5th - 10th Percentile

Fall

Winter

Spring

600L

625L

650L

5th - 25th Percentile

Fall

Winter

Spring

745L

770L

795L

5th - 50th Percentile

Fall

Winter

Spring

900L

925L

950L

5th - 75th Percentile

Fall

Winter

Spring

1050L

1075L

1100L

5th - 90th Percentile

Fall

Winter

Spring

1210L

1235L

1260L

6th - 10th Percentile

Fall

Winter

Spring

685L

705L

725L

6th - 25th Percentile

Fall

Winter

Spring

835L

855L

875L

6th - 50th Percentile

Fall

Winter

Spring

990L

1010L

1030L

6th - 75th Percentile

Fall

Winter

Spring

1140L

1160L

1180L

6th - 90th Percentile

Fall

Winter

Spring

1300L

1320L

1340L

7th - 10th Percentile

Fall

Winter

Spring

760L

775L

795L

7th - 25th Percentile

Fall

Winter

Spring

910L

925L

940L

7th - 50th Percentile

Fall

Winter

Spring

1060L

1080L

1095L

7th - 75th Percentile

Fall

Winter

Spring

1215L

1230L

1250L

7th - 90th Percentile

Fall

Winter

Spring

1375L

1390L

1410L

8th - 10th Percentile

Fall

Winter

Spring

820L

835L

850L

8th - 25th Percentile

Fall

Winter

Spring

970L

985L

1000L

8th - 50th Percentile

Fall

Winter

Spring

1125L

1140L

1155L

8th - 75th Percentile

Fall

Winter

Spring

1280L

1295L

1310L

8th - 90th Percentile

Fall

Winter

Spring

1435L

1455L

1470L

9th - 10th Percentile

Fall

Winter

Spring

875L

890L

900L

9th - 25th Percentile

Fall

Winter

Spring

1025L

1040L

1050L

9th - 50th Percentile

Fall

Winter

Spring

1180L

1195L

1205L

9th - 75th Percentile

Fall

Winter

Spring

1335L

1345L

1360L

9th - 90th Percentile

Fall

Winter

Spring

1495L

1505L

1520L

10th - 10th Percentile

Fall

Winter

Spring

925L

935L

945L

10th - 25th Percentile

Fall

Winter

Spring

1075L

1085L

1095L

10th - 50th Percentile

Fall

Winter

Spring

1230L

1240L

1250L

10th - 75th Percentile

Fall

Winter

Spring

1385L

1395L

1410L

10th - 90th Percentile

Fall

Winter

Spring

1545L

1555L

1570L

11th - 10th Percentile

Fall

Winter

Spring

965L

975L

990L

11th - 25th Percentile

Fall

Winter

Spring

1115L

1130L

1140L

11th - 50th Percentile

Fall

Winter

Spring

1270L

1285L

1295L

11th - 75th Percentile

Fall

Winter

Spring

1425L

1440L

1450L

11th - 90th Percentile

Fall

Winter

Spring

1590L

1600L

1610L

12th - 10th Percentile

Fall

Winter

Spring

965L

975L

990L

12th - 25th Percentile

Fall

Winter

Spring

1115L

1130L

1140L

12th - 50th Percentile

Fall

Winter

Spring

1270L

1285L

1295L

12th - 75th Percentile

Fall

Winter

Spring

1425L

1440L

1450L

12th - 90th Percentile

Fall

Winter

Spring

1590L

1600L

1610L

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