What grade level is The Son of Neptune?

The Son of Neptune is listed for grades 6–9. It appears on 1 book-award list across 1 state. Exact placement varies by school and district.

What curricula assign The Son of Neptune?

The Son of Neptune appears on reading lists for Pacific Northwest Young Reader's Choice Award. Each assignment on this site links to its primary-source citation.

Is The Son of Neptune banned in schools?

The Son of Neptune has documented removals from at least one public-school district in 1 state (IA) per PEN America's Index of School Book Bans 2022-2024. Policies vary by district.

The Son of Neptune

Name: The Son of Neptune
Availability: InStock
Author: Rick Riordan
ISBN: 9781423175148

by Rick Riordan · Grades 6–9 · Children's

The Son of Neptune by Rick Riordan is on US reading lists at grades 6–9. It appears on 1 list: the Pacific Northwest Young Reader's Choice Award, across 1 state. Every citation below links to the primary source.

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Before you buy: Grades 6–9. The button opens the paperback edition (ISBN 9781423175148). If the class uses a set edition or translation, match its ISBN first.

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Assigned across 1 curriculum list · 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).

On reading-award lists:Pacific Northwest Young Reader's Choice Award

This page shows where The Son of Neptune is assigned in US schools — curricula, states, grades, and the primary-source citations behind each placement. Not a summary or study guide.

Reading level at a glance

Grade range: Grades 6–9See the list:6th 7th 8th 9th
First published: 2011
Genre: Children's
ISBN-13: 9781423175148

Sources: grade range from the cited lists below, last checked 2026-06-27; pages and year from our catalog record (sources); reading time is an estimate at 250 words a minute.

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About this book

Book facts and sources (2)

On award reading lists: Pacific Northwest Young Reader's Choice Award (source: Wikipedia)
Series: Book 2 of 5 in The Heroes of Olympus (publication order) (source: Series book lists + publication order verified against publisher catalogs / Wikipedia. Checked 2026-06-29.)
Catalog record: First published 2011 (source: how we source book data)

Part of a series — read in order

The Heroes of Olympus: all 5 books in order

Similar grade-level books

See all books like The Son of Neptune→ — matched on theme + reading level.

Why it is assigned

This children's title is typically read at grades 6–9. Written in the 2010s; cited on the Pacific Northwest Young Reader's Choice Award.

Where this book is recommended

Pacific Northwest Young Reader's Choice Award

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Common questions

What grade level is The Son of Neptune?: The Son of Neptune is listed for grades 6–9. It appears on 1 book-award list across 1 state. Exact placement varies by school and district.
What curricula assign The Son of Neptune?: The Son of Neptune appears on reading lists for Pacific Northwest Young Reader's Choice Award. Each assignment on this site links to its primary-source citation.
Is The Son of Neptune banned in schools?: The Son of Neptune has documented removals from at least one public-school district in 1 state (IA) per PEN America's Index of School Book Bans 2022-2024. Policies vary by district.

Why this book is on this list

How we classify

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 6–9 — drawn from the book-award lists citing this book.
Curriculum alignment: Cited in 1 curriculum on this site (see “Where recommended” above for primary-source links).
State-level evidence: On state book-award lists in 1 state (see citations above).
Removal / banning records: Documented as challenged or removed in 1 state per PEN America’s Index of School Book Bans — see the full banned & challenged books list.
Seasonal / contextual tags: Tagged for: book-club, read-aloud.