Lexile Band by Grade (CCSS Stretch)
Grade-to-Lexile target ranges, K through 12.
Example
You enter
- Grade (K or 1 to 12, optional) 5
You get
- Selected typical 830L - 1010L
- Selected stretch 740L - 1010L
Checked against published worked examples from: CCSS Appendix A Supplement (2012), state-DOE bulletins (public).
Details, formula, and sources
ScopeGrade-to-Lexile target ranges (K to 12) summarized from publicly published state-DOE bulletins implementing the CCSS Appendix A stretch alignment. Teacher governs text selection; Lexile is a MetaMetrics trademark.
Formula or tableReference render: grade-to-Lexile bands (K, 1-12) with both the 'typical reader' midrange and the CCSS Appendix A stretch ranges.
Source and editionSupplemental Information for Appendix A of the CCSS: New Research on Text Complexity (2012), Figure 1, the stretch ranges (they replace the June 2010 Appendix A figure). State-DOE bulletins from Smarter Balanced / PARCC consortium states implementing the CCSS stretch alignment.
Free accessCCSS Appendix A free at corestandards.org. State bulletins free at the respective state-DOE sites.
What governsEstimate only. Readability formulas and similar metrics are derived from a representative population and have known edge-case noise. The classroom teacher governs final text selection, grade placement, and assessment decisions.
API field namesgrade, selected_typical, selected_stretch
- Stretch alignment post-2012 CCSS stretch ranges (1185L at the top of grades 6-8, etc.); pre-2012 'typical reader' ranges are also surfacedCCSS Appendix A Supplement (2012), Figure 1
- BR (Beginning Reader) Lexile assigns 'BR' below 0L for emergent readers; the tile labels K with BR through 230LMetaMetrics convention