Lexile Band by Grade (CCSS Stretch)

Grade-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.

Reference render: grade-to-Lexile bands (K, 1-12) with both the 'typical reader' midrange and the CCSS Appendix A stretch ranges.

Common Core State Standards Appendix A (June 2010), Section III ('Quantitative Measures of Text Complexity'). State-DOE bulletins from Smarter Balanced / PARCC consortium states implementing the CCSS stretch alignment.

CCSS Appendix A free at corestandards.org. State bulletins free at the respective state-DOE sites.

Estimate 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.

Field names used by the API: grade, selected_typical, selected_stretch

• Stretch alignment post-2012 CCSS stretch ranges (1185L+ end of grade 6 etc.); pre-2012 'typical reader' ranges are also surfacedCCSS Appendix A §III
• BR (Beginning Reader) Lexile assigns 'BR' below 0L for emergent readers; the tile labels K with BR through 230LMetaMetrics convention