Colorado 3rd grade reading list

Books with a Colorado citation for 3rd grade include A Mischief of Mice, I Lived Inside a Whale and Just Like Millie. This list has 539 total books, 7 of them with a Colorado-specific citation. Each book shows its reading level and a cited source. Lexile levels on the list run from 380L to 1000L.

Top Colorado 3rd grade pick: A Mischief of Mice by Christie Matheson — on 1 Colorado list

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Total books539Lexile380L–1000LSourceColorado Academic Standards✓ sources cited per book

Most-assigned on state lists: across every US state’s official reading and award lists, the Elementary (K–5) titles appearing in the most states are Wonder (29 states), Because of Winn-Dixie (26 states), and Shiloh (25 states). From our 2026 study of 13,258 source-cited assignments (as of 2026-07-13).

Our pick to start — most-cited for Colorado 3rd grade

These are the 7 titles named in Colorado’s own curriculum documents for this grade — everything below is the wider national list. Read against the Common Core Appendix A complexity band; reading level is not thematic maturity, and several sit below the band because they are assigned for discussion.

  1. A Mischief of Mice

    Christie Matheson

    Cited in 1 Colorado curriculum document, taught from grade K to 3. Covers mystery, nature and friendship.

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  2. I Lived Inside a Whale

    Xin Li

    Cited in 1 Colorado curriculum document, taught from grade K to 3. Covers imagination, friendship and kindness.

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  3. Just Like Millie

    Lauren Castillo

    Cited in 1 Colorado curriculum document, taught from grade K to 3. Covers friendship, courage and kindness.

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  4. Knight Owl and Early Bird

    Christopher Denise

    Cited in 1 Colorado curriculum document, taught from grade K to 3. Covers friendship, courage and perseverance.

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  5. Millie Fleur's Poison Garden

    Christy Mandin

    Cited in 1 Colorado curriculum document, taught from grade K to 3. Covers identity, nature and imagination.

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  6. The Yellow Bus

    Loren Long

    Cited in 1 Colorado curriculum document, taught from grade K to 3. Covers growing up, kindness and memory.

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  7. Time to Make Art

    Jeff Mack

    Cited in 1 Colorado curriculum document, taught from grade K to 3. Covers imagination, identity and history.

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7 books cited for Colorado 3rd grade

Assignments tied directly to Colorado’s Colorado Academic Standards with a Colorado-specific citation.

532 additional grade-appropriate books for 3rd grade readers

The 539-book total above includes 7 titles with direct Colorado citation; these 532 additional titles cover 3rd grade in the broader canon. They don't have a Colorado-specific citation yet but are commonly taught at this level.

Show all 532 titles

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Other Colorado grades

2nd grade · 4th grade · 1st grade · 5th grade

Reading lists by grade (all states)

2nd grade · 4th grade · 1st grade · 5th grade

Same 3rd grade in other states

California · Texas · Florida · New York · Pennsylvania · Illinois

Browse 3rd grade reading by theme

About the Colorado 3rd grade reading list

This list combines books cited in Colorado Academic Standards with books from national sources that list titles for 3rd grade: the Common Core State Standards (ELA), plus awards such as the Newbery Medal, the Golden Kite Award and the Caldecott Medal. ReadingList currently tracks 539 titles for 3rd grade in Colorado, of which 7 carry a direct Colorado citation and 532 are grade-appropriate titles whose reading level overlaps 3rd grade. Across the list, Lexile measures span 380L–1000L.

3rd grade sits in the 3-5 grade band, where students are transitional readers. At this stage the emphasis is on shifting from learning-to-read to reading-to-learn and sustaining attention across longer chapter books. Assigned reading skews toward early novels, narrative non-fiction, and a student's first assigned full-length stories, with text complexity that, per Common Core’s Appendix A reading bands, typically falls around roughly 400L to 800L. Measured against that 420–820L range, of the 52 titles here with a Lexile score 36 are grade-level, 2 are more accessible (often assigned for theme over challenge), and 14 are stretch texts that may need scaffolding. Because readers in a single 3rd grade classroom can span several hundred Lexile points, this list is best read as a starting point rather than a fixed requirement.

Colorado’s English Language Arts requirements are set by Colorado Academic Standards (cde.state.co.us). Most states pair their own standards with the Common Core text-complexity framework. The 3rd grade list below blends Colorado-specific assignments with widely taught national titles. Every title links to its primary source on the book’s detail page, so you can confirm exactly where and why it is assigned.

How to use this list:match a title to your child’s most recent Lexile or guided-reading level rather than to the grade alone. Teachers building a 3rd grade unit can pair a Colorado-cited core text with a grade-appropriate companion novel; parents previewing summer or supplemental reading can check each book’s content notes and challenge history before assigning it.

Common questions

What books do 3rd grade students read in Colorado?
Books with a Colorado-specific citation for 3rd grade include A Mischief of Mice, I Lived Inside a Whale, Just Like Millie, Knight Owl and Early Bird and Millie Fleur's Poison Garden. Individual schools and districts choose their own titles, so check with your child's teacher for the exact list.
How many books are assigned to 3rd grade students in Colorado?
This list has 539 books for 3rd grade students in Colorado. 7 of them have a Colorado-specific citation; the other 532 are grade-appropriate titles from national reading lists and awards.
What's the Lexile range for 3rd grade reading in Colorado?
Lexile measures across the 3rd grade Colorado reading list range from 380L to 1000L. Books without a published Lexile (poetry, drama, picture books) are not included in this range.
Where does this reading list come from?
Colorado-specific entries reference Colorado Academic Standards (published at www.cde.state.co.us). The other books come from national sources that list books for 3rd grade: the Common Core State Standards (ELA), plus awards such as the Newbery Medal, the Golden Kite Award and the Caldecott Medal. Each book's page links the primary source for every listing.

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State-specific entries sourced from www.cde.state.co.us. National references cited on each book’s detail page.

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