Grade level | Fountas & Pinell Guided Reading Levels | Lexile | Reading Recovery | Rigby Literacy Levels | Rigby PM/PM Plus Levels | AR (ATOS) | Stage |
Kindergarten | A | - | A,B,1 | 1-2 | starters 1 | .1-.9 | emergent |
Kindergarten/ 1st Grade | B | - | 2 | 3-4 | starters 2 | .1-.9 | - |
1st Grade | C | - | 3,4 | 5 |  3-4 red | 1.0 | - |
D | 100 | 5,6 | 6 | 5-6 red/yellow | 1.1 | - | |
E | - | 7,8 | 7 | 7-8 yellow | 1.2 | - | |
F | 200 | 9,10 | 8 | 9-10 blue | 1.4 | early | |
G | - | 11,12 | 9 | 11-12 blue/green | 1.5 | - | |
1st – 2nd Grade | H | 300 | 13,14 | 10 | 13-14 green | 1.7 | - |
I | - | 15,16 | 11 | 15-16 orange | 1.8-1.9 | - | |
2nd Grade | J | 400 | 17,18 | 12 | 17-18 turquoise | 2.0-2.2 | - |
K | - | 19,20 | 13 | 19-20 purple | 2.3-2.5 | early fluent | |
2nd – 3rd  Grade | L | 500 | - | 14-15 | 21 gold | 2.6-2.8 | - |
M | - | - | 16-17 | 22 gold | 2.9 | - | |
3rd Grade | N | 600 | - | 18 | 23 silver | 3.0-3.2 | - |
O | - | 22 | 19 | 24 silver | 3.3-3.5 | - | |
P | - | - | 20 | 25 emerald | 3.6-3.9 | - | |
4th Grade | Q | 700 | 24 | - | 26 emerald | 4.0-4.2 | - |
R | - | - | - | 27 ruby | 4.3-4.5 | fluent | |
S | - | 26 | - | 28 ruby | 4.6-4.7 | - | |
T | 800 | - | - | 29 sapphire | 4.8-4.9 | - | |
5th Grade | U | - | 28 | - | 30 sapphire | 5.0-5.2 | - |
V | - | - | - | - | 5.3-5.5 | - | |
W | 900 | - | - | - | 5.6-5.9 | - | |
and up | X | - | 30 | - | - | 6.0-6.4 | - |
Y | - | - | - | - | 6.5-6.9 | - | |
Z | 1000+ | 32,34 | - | - | 7+ | - |