How do Literably's levels correlate to other leveling systems?

The table below describes how Literably's grade level texts correlate with other leveling systems. Please note that all correlations between leveling system are very rough.  The Literably level refers to the instructional level, NOT the independent level. If your students are at a Pre-A level, you may consider Literably's Foundational Skills assessments for monitoring your students' progress in phonics and phonological awareness. 

Text Grade Level	DRA	Rigby PM	AR / ATOS	Lexile	Oxford Reading Tree
Kindergarten (0.0)	1, 2	1	0.0-0.4		1+
Kindergarten (0.3)	1, 2	2	0.5		2
Kindergarten (0.6)	3	3-4	0.6-0.7		3
Kindergarten (1.0)	4	5-6	0.8-0.9		4
Grade 1 (1.1)	6-8	7-8	1.0-1.1	195-530	5
Grade 1 (1.2)	10	9-10	1.2-1.4	195-530	5
Grade 1 (1.3)	12	11-12	1.5-1.6	195-530	6
Grade 1 (1.5)	14	13-14	1.7-1.8	195-530	6
Grade 1 (1.7)	16	15-16	1.9-2.1	195-530	7
Grade 1 (2.0)	18	17-18	2.2-2.4	195-530	7
Grade 2 (2.3)	20	19-20	2.5-2.7	420-650	8
Grade 2 (2.6)	24	21	2.8-3.1	420-650	8
Grade 2 (3.0)	28	22	3.2-3.5	420-650	9
Grade 3 (3.3)	30	23	3.6-3.7	520-820	9
Grade 3 (3.6)	34	24	3.8-3.9	520-820	10
Grade 3 (4.0)	38	25	4.1-4.2	520-820	11
Grade 4 (4.3)	38	26	4.3-4.4	740-940	12
Grade 4 (4.6)	38	27	4.5-4.7	740-940	13
Grade 4 (5.0)	40	28	4.8-4.9	740-940	14
Grade 5 (5.3)	40	29	5.0-5.1	830-1010	15
Grade 5 (5.6)	50	30	5.2-5.4	830-1010	16
Grade 5 (6.0)	50		5.5	830-1010	16
Grade 6 (6.3)	50		5.6-5.7	925-1070	17
Grade 6 (6.6)	60		5.8-6.0	925-1070	18
Grade 7 (7.0)	60		6.1-6.3	925-1070	19
Grade 8 (8.0)	70, 80		6.4-6.9	970-1120	20

This table was last updated in June 2024.

Sources:

• DRA Technical Manual
• Lexile Text Ranges for College and Career Readiness
• ATOS Conversion Chart
• Oxford Reading Tree Levels