| Guided Reading Level | Intervention Level | Grade Level | Developmental Reading Assessment Level (DRA) | Accelerated Reader Level (ATOS) |
|---|---|---|---|---|
| A | 1 | K to 1 | 1 | 0.1 to 0.9 |
| B | 2 | 2 | ||
| C | 3 | 3 | ||
| 4 | 1 | 4 | ||
| D | 5 | 6 | ||
| 6 | ||||
| E | 7 | 8 | ||
| 8 | ||||
| F | 9 | 10 | ||
| 10 | 1.0 to 1.9 | |||
| G | 11 | 12 | ||
| 12 | ||||
| H | 13 | 1 to 2 | 14 | |
| 14 | ||||
| I | 15 | 16 | ||
| 16 | 2.0 to 2.9 | |||
| J | 17 | 2 | 18 | |
| K | 18 | 20 | ||
| L | 19 | 2 to 3 | 24 | |
| M | 20 | 28 | 3.0 to 3.9 | |
| N | 21 | 30 | ||
| O | 22 | 3 to 4 | 34 | |
| P | 23 | 38 | 4.0 to 4.9 | |
| Q | 24 | 40 | ||
| R | 25 | 4 to 5 | ||
| S | 26 | |||
| T | 27 | 50 | 5.0 to 5.9 | |
| U | 28 | |||
| V | 29 | 5 to 6 | ||
| W | 30 | 60 | 6.0 to 6.9 | |
| X | 31 | |||
| Y | 32 | 6+ | 70 | |
| Z | 33 |
Discover Our World
This terrific nonfiction series is full of appealing topics in math, science, biography, and social studies.