
The Sea of Monsters
by Rick Riordan
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Assigned across 2 curriculum lists · 1 state
Grade placement varies by school — the median assigned book spans 4 grade levels (83% span three or more, across 13,258 source-cited assignments).
The Sea of Monsters by Rick Riordan is assigned in US schools at grades 4–6. It appears across 2 curriculum references and 1 state, sourced from state DOE pages and AP/IB/Common Core syllabi. Every citation below links to the primary source.
This page shows where The Sea of Monsters is assigned in US schools — curricula, states, grades, and the primary-source citations behind each placement. Not a summary or study guide.
- Grade range
- Grades 4–6
- First published
- 2006
- ISBN-13
- 9780141381497
New to these terms? Reading levels by grade
More formats & details
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Where this book is assigned
Mark Twain Readers Award
- recommended·4th grade · Missourisource: Missouri Association of School Librarians (MASL) — Mark Twain Readers Award: Missouri's statewide grades 4-6 children's-choice program (students read the annual nominees and vote). Winner list 1972-2025 per the Mark Twain Award record.
- recommended·5th grade · Missourisource: Missouri Association of School Librarians (MASL) — Mark Twain Readers Award: Missouri's statewide grades 4-6 children's-choice program (students read the annual nominees and vote). Winner list 1972-2025 per the Mark Twain Award record.
- recommended·6th grade · Missourisource: Missouri Association of School Librarians (MASL) — Mark Twain Readers Award: Missouri's statewide grades 4-6 children's-choice program (students read the annual nominees and vote). Winner list 1972-2025 per the Mark Twain Award record.
Mark Twain Readers Award
- recommended·4th grade · Missourisource: Mark Twain Readers Award winners (Missouri Association of School Librarians), via Wikipedia — 2009
- recommended·5th grade · Missourisource: Mark Twain Readers Award winners (Missouri Association of School Librarians), via Wikipedia — 2009
- recommended·6th grade · Missourisource: Mark Twain Readers Award winners (Missouri Association of School Librarians), via Wikipedia — 2009
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Common questions
- What grade level is The Sea of Monsters?
- The Sea of Monsters is most commonly assigned in US schools in grades 4–6. Specific grade placement varies by curriculum — AP Literature and IB English Literature typically use it in grades 11-12.
- What curricula assign The Sea of Monsters?
- The Sea of Monsters appears on reading lists for Mark Twain Readers Award. Each assignment on this site links to its primary-source citation.
- Is The Sea of Monsters banned in schools?
- The Sea of Monsters does not appear in PEN America's Index of School Book Bans 2022-2024. No documented multi-district removals on record, but individual districts may challenge titles locally.
Why this book is on this list
How we classifyHide
Each dimension below is sourced from a public reference. The full framework is documented on the classification standard page.
- Lexile measure
- Not classified — this book has no published Lexile measure.
- Grade band
- Grades 4–6 — drawn from state ELA frameworks and AP/IB syllabi citing this book.
- Curriculum alignment
- Cited in 2 curricula on this site (see “Where assigned” above for primary-source links).
- State-level evidence
- Cited in 1 state ELA framework or DOE list (see citations above).
- Removal / banning records
- No tracked removal or challenge records in cited sources.
- Seasonal / contextual tags
- Tagged for: award-winner, book-club.