Reading levels
Which reading level system are you looking for?
Schools measure the same thing three different ways. You only need the one your child was given—find it below by the name on the report card, or by what the score looks like.
Side by side
How the systems compare
One child can come home with a Lexile from the state test, an ATOS zone from AR, and a guided-reading letter—all in the same semester. Here's the decoder ring.
| Grade level | Lexile | ATOS | Fountas & Pinnell | Browse books |
|---|---|---|---|---|
| Kindergarten | BR40L–230L | 0.0–1.0 | A–C | Browse → |
| 1st grade | 190L–530L | 1.0–1.9 | C–I | Browse → |
| 2nd grade | 420L–650L | 2.0–2.9 | I–M | Browse → |
| 3rd grade | 520L–820L | 3.0–3.9 | M–P | Browse → |
| 4th grade | 740L–940L | 4.0–4.9 | P–S | Browse → |
| 5th grade | 830L–1010L | 5.0–5.9 | S–V | Browse → |
| 6th grade | 925L–1070L | 6.0–6.9 | V–Y | Browse → |
| 7th grade | 970L–1120L | 7.0–7.9 | Y–Z | Browse → |
| 8th grade | 1010L–1185L | 8.0–8.9 | Z–Z+ | Browse → |
| 9th–12th grade | 1050L–1385L | 9.0+ | Z+ | Browse → |
Ranges follow published grade-level charts for each system and overlap on purpose—readers rarely sit inside one tidy box. Bookroo's level filters run on Lexile measures, so ATOS and Fountas & Pinnell ranges are translated to their closest Lexile equivalents when you browse.
About estimated levels
A useful translation—not a perfect equivalence.
Lexile is the reading-level data Bookroo is best equipped to support, so ATOS and Fountas & Pinnell ranges are translated to their closest Lexile equivalents when you browse. Treat any crosswalk as a starting point rather than a precise conversion, and weigh it alongside your child's interests, confidence, and the reason they picked the book up in the first place.