Is i-Ready score the same as Lexile?
No. They are different measurement systems. Families often use range mapping to move from i-Ready results to a useful Lexile starting window.
i-Ready Reading Score to Lexile
There is no universal one-click conversion for every school report, but i-Ready reading performance bands can be mapped to practical Lexile ranges for book selection. Use your student’s i-Ready band to choose a starting Lexile window, then validate with comprehension and stamina. The table below gives parent-friendly starting ranges.
| Signal | Recommended next step |
|---|---|
| i-Ready around 450 to 520 | Start around 500L to 650L |
| i-Ready around 520 to 600 | Start around 600L to 750L |
| i-Ready around 600 to 680 | Start around 700L to 850L |
| If comprehension dips | Drop Lexile target by 50L to 100L |
Use Lexile as a band, not a hard ceiling
Choose most books inside the target band and add one easier and one harder title. This keeps reading volume high while still building challenge.
Recommended Book Picks
- Where the Mountain Meets the Moon by Grace Lin
- Pinocchio Carlo Collodi, retold by by Tania Zamorsky
- The One and Only Ivan by Katherine Applegate
- Absolutely Truly: A Pumpkin Falls Mystery by Heather Vogel Frederick
- The Dragon with a Chocolate Heart by Stephanie Burgis
- Sadako and the Thousand Paper Cranes by Eleanor Coerr
- The Fool of the World and the Flying Ship by Arthur Ransome
- The Hundred Penny Box by Sharon Bell Mathis
- Sarah, Plain and Tall by Patricia MacLachlan
- The Big Wave by Pearl S. Buck
FAQ
What if my child reads a higher Lexile but low comprehension?
Prioritize comprehension first. Keep most reading in the easier part of the band and add only limited stretch texts.
How often should we update Lexile targets from i-Ready results?
Recheck after each major benchmark cycle or every 8 to 12 weeks of consistent reading.
Can I combine Kumon levels and Lexile ranges?
Yes. Use Kumon levels for sequence and Lexile bands for challenge calibration.
What is a safe first step after an i-Ready score of 500?
Start near 550L to 650L equivalents and verify fit with reading accuracy and retell quality.
Where do I find books if my report only shows i-Ready score?
Use the i-Ready conversion guide and linked level pages to pick books without waiting for a separate Lexile report.