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.

The Sea of Monsters

Name: The Sea of Monsters
Availability: InStock
Author: Rick Riordan
ISBN: 9780141381497

by Rick Riordan

The Sea of Monsters by Rick Riordan is assigned in US schools at grades 4–6. It appears across 1 curriculum reference 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

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About this book

Percy Jackson - the son of Poseidon - has had an unnervingly quiet school year. But then he discovers that the magical borders protecting Half Blood Hill, a summer camp dedicated to training young demi-gods, are failing. Unless something is done, the camp will be attacked by demons and monsters.

Where this book is assigned

Mark Twain Readers Award

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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

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 1 curriculum 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.