DIBELS ORF - LEXILES Conversion Chart

DIBELS ORF to Lexile Conversion Table – Grade 1
Grade 1
ORF Score
Grade 2
Grade 3
ORF Score
Grade
(correct words per minute)
Lexile
Grade
(correct words per minute)
Lexile
1
0 - 12
BR-4
1
80
280L
1
13 - 23
BR-3
1
81
285L
1
24 - 35
BR-2
1
82
295L
1
36 - 47
BR-1
1
83
305L
1
48
5L
1
84
315L
1
49
15L
1
85
320L
1
50
25L
1
86
330L
1
51
30L
1
87
340L
1
52
40L
1
88
345L
1
53
50L
1
89
355L
1
54
55L
1
90
365L
1
55
65L
1
91
370L
1
56
75L
1
92
380L
1
57
85L
1
93
390L
1
58
90L
1
94
400L
1
59
100L
1
95
405L
1
60
110L
1
96
415L
1
61
115L
1
97
425L
1
62
125L
1
98
430L
1
63
135L
1
99
440L
1
64
140L
1
100
450L
1
65
150L
1
101
455L
1
66
160L
1
102
465L
1
67
170L
1
103
475L
1
68
175L
1
104
485L
1
69
185L
1
105
490L
1
70
195L
1
106
500L
1
71
200L
1
107
510L
1
72
210L
1
108
515L
1
73
220L
1
109
525L
1
74
225L
1
110
535L
1
75
235L
1
111
545L
1
76
245L
1
112 - 160
550L
1
77
255L
1
78
260L
1
79
270L
DIBELS ORF to Lexile Conversion Table – Grade 2
Grade 1
ORF Score
Grade 2
Grade 3
ORF Score
Grade
(correct words per minute)
Lexile
Grade
(correct words per minute)
Lexile
2
0 - 11
BR-2
2
60
255L
2
12 - 25
BR-1
2
61
260L
2
26
5L
2
62
270L
2
27
10L
2
63
275L
2
28
20L
2
64
280L
2
29
25L
2
65
290L
2
30
35L
2
66
295L
2
31
40L
2
67
305L
2
32
50L
2
68
310L
2
33
55L
2
69
320L
2
34
65L
2
70
325L
2
35
70L
2
71
335L
2
36
75L
2
72
340L
2
37
85L
2
73
350L
2
38
90L
2
74
355L
2
39
100L
2
75
365L
2
40
105L
2
76
370L
2
41
115L
2
77
380L
2
42
120L
2
78
385L
2
43
130L
2
79
390L
2
44
135L
2
80
400L
2
45
145L
2
81
405L
2
46
150L
2
82
415L
2
47
160L
2
83
420L
2
48
165L
2
84
430L
2
49
175L
2
85
435L
2
50
180L
2
86
445L
2
51
185L
2
87
450L
2
52
195L
2
88
460L
2
53
200L
2
89
465L
2
54
210L
2
90
475L
2
55
215L
2
91
480L
2
56
225L
2
92
485L
2
57
230L
2
93
495L
2
58
240L
2
94
500L
2
59
245L
2
95
510L
DIBELS ORF to Lexile Conversion Table – Grade 2
Grade 1
ORF Score
Grade
(correct words per minute)
Lexile
2
96
515L
2
97
525L
2
98
530L
2
99
540L
2
100
545L
2
101
555L
2
102
560L
2
103
570L
2
104
575L
2
105
585L
2
106
590L
2
107
595L
2
108
605L
2
109
610L
2
110
620L
2
111
625L
2
112
635L
2
113
640L
2
114
650L
2
115
655L
2
116
665L
2
117
670L
2
118
680L
2
119
685L
2
120
690L
2
121
700L
2
122
705L
2
123
715L
2
124
720L
2
125
730L
2
126
735L
2
127
745L
2
128
750L
2
129
760L
2
130
765L
2
131
775L
2
132 - 200
780L
Grade 2
Grade 3
DIBELS ORF to Lexile Conversion Table – Grade 3
Grade 1
ORF Score
Grade 2
Grade 3
ORF Score
Grade
(correct words per minute)
Lexile
Grade
(correct words per minute)
Lexile
3
0 - 10
BR-2
3
58
250L
3
11 - 23
BR-1
3
59
260L
3
24
5L
3
60
265L
3
25
10L
3
61
275L
3
26
15L
3
62
280L
3
27
25L
3
63
290L
3
28
30L
3
64
295L
3
29
40L
3
65
305L
3
30
45L
3
66
310L
3
31
55L
3
67
315L
3
32
60L
3
68
325L
3
33
70L
3
69
330L
3
34
75L
3
70
340L
3
35
85L
3
71
345L
3
36
90L
3
72
355L
3
37
100L
3
73
360L
3
38
105L
3
74
370L
3
39
110L
3
75
375L
3
40
120L
3
76
385L
3
41
125L
3
77
390L
3
42
135L
3
78
400L
3
43
140L
3
79
405L
3
44
150L
3
80
410L
3
45
155L
3
81
420L
3
46
165L
3
82
425L
3
47
170L
3
83
435L
3
48
180L
3
84
440L
3
49
185L
3
85
450L
3
50
195L
3
86
455L
3
51
200L
3
87
465L
3
52
205L
3
88
470L
3
53
215L
3
89
480L
3
54
220L
3
90
485L
3
55
230L
3
91
495L
3
56
235L
3
92
500L
3
57
245L
3
93
510L
DIBELS ORF to Lexile Conversion Table – Grade 3
Grade 1
ORF Score
Grade 2
Grade 3
ORF Score
Grade
(correct words per minute)
Lexile
Grade
(correct words per minute)
Lexile
3
94
515L
3
130
780L
3
95
520L
3
131
785L
3
96
530L
3
132
795L
3
97
535L
3
133
800L
3
98
545L
3
134
810L
3
99
550L
3
135
815L
3
100
560L
3
136
820L
3
101
565L
3
137
830L
3
102
575L
3
138
835L
3
103
580L
3
139
845L
3
104
590L
3
140
850L
3
105
595L
3
141
860L
3
106
605L
3
142
865L
3
107
610L
3
143
875L
3
108
615L
3
144
880L
3
109
625L
3
145 - 200
890L
3
110
630L
3
111
640L
3
112
645L
3
113
655L
3
114
660L
3
115
670L
3
116
675L
3
117
685L
3
118
690L
3
119
700L
3
120
705L
3
121
710L
3
122
720L
3
123
725L
3
124
735L
3
125
740L
3
126
750L
3
127
755L
3
128
765L
3
129
770L