The Agathas
by Kathleen Glasgow
The Agathas by Kathleen Glasgow is assigned in US schools at grades 9–12. 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 Agathas 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 9–12
- Age range
- Ages 14–18
- First published
- 2022
- Genre
- Mystery
- ISBN-13
- 9780593431139
Where to find this book
Audible: new members only · many assigned titles are included with the membership.
Other formats on Amazon: Kindle · Audiobook
As an Amazon Associate, ReadingList earns from qualifying purchases and membership trials at no extra cost to you. Pricing, Prime, and trial terms shown on Amazon.
About this book
Two unlikely teen sleuths — a fallen-from-grace popular girl and an outcast — team up to solve a Castle Cove murder using the methods of Agatha Christie. A New York Times bestseller. a 2026-2027 California Young Reader Medal (Young Adult) nominee.
Why widely assigned
This Mystery title, typically at grades 9–12. Written in the 2020s; pairs with curriculum units on mystery and friendship; cited across 1 curriculum framework.
Themes
mystery · friendship · justice
Where this book is assigned
California Young Reader Medal
- recommended·9th grade · Californiasource: California Young Reader Medal 2026-2027 Nominee List (Primary, Picture Books for Older Readers, Intermediate, Middle School/Junior High, Young Adult)
- recommended·10th grade · Californiasource: California Young Reader Medal 2026-2027 Nominee List (Primary, Picture Books for Older Readers, Intermediate, Middle School/Junior High, Young Adult)
- recommended·11th grade · Californiasource: California Young Reader Medal 2026-2027 Nominee List (Primary, Picture Books for Older Readers, Intermediate, Middle School/Junior High, Young Adult)
- recommended·12th grade · Californiasource: California Young Reader Medal 2026-2027 Nominee List (Primary, Picture Books for Older Readers, Intermediate, Middle School/Junior High, Young Adult)
Similar grade-level books
The Great GatsbyF. Scott Fitzgerald · 1070L
1984George Orwell · 1090L
The Diary of a Young GirlAnne Frank · 1080L
The OutsidersS.E. Hinton · 750L
See all books like The Agathas→ — matched on theme + reading level.
Common questions
- What grade level is The Agathas?
- The Agathas is most commonly assigned in US schools in grades 9–12. Specific grade placement varies by curriculum — AP Literature and IB English Literature typically use it in grades 11-12.
- 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. These themes match how the book is discussed in most curriculum guides and AP Literature prompts.
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 9–12 — 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: book-club.