Cover of The Agathas

The Agathas

by Kathleen Glasgow · Grades 9–12 · Mystery

The Agathas by Kathleen Glasgow is on US reading lists at grades 9–12. It appears on 1 list: the California Young Reader Medal, across 1 state. Every citation below links to the primary source.

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Before you buy: Ages 14–18 · Grades 9–12. The button opens the paperback edition (ISBN 9780593431139). 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:California Young Reader Medal

This page shows where The Agathas 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 9–12
Age range
Ages 14–18
First published
2022
Genre
Mystery
ISBN-13
9780593431139

Sources: grade range from the cited lists below, last checked 2026-06-08; pages and year from our catalog record (sources); reading time is an estimate at 250 words a minute.

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Why it is assigned

This mystery title is typically read at grades 9–12. Written in the 2020s; pairs with curriculum units on mystery and friendship; cited on the California Young Reader Medal.

Themes

mystery · friendship · justice

Where this book is recommended

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Common questions

What grade level is The Agathas?
The Agathas is listed for grades 9–12. It appears on 1 state book-award list across 1 state. Exact placement varies by school and district.
What curricula assign The Agathas?
The Agathas appears on reading lists for California Young Reader Medal. Each assignment on this site links to its primary-source citation.
Is The Agathas banned in schools?
The Agathas 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.
What themes does The Agathas explore?
Central themes in The Agathas include mystery, friendship, justice.

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 9–12 — drawn from the state 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
No tracked removal or challenge records in cited sources.
Seasonal / contextual tags
Tagged for: book-club.

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