What reading level is The girl with the glass bird?

The girl with the glass bird by Esme Kerr is at a Level 5-6 reading level (Lexile 850L). Recommended for Middle Grades readers (Ages 9-12).

What age is The girl with the glass bird appropriate for?

The girl with the glass bird is recommended for Ages 9-12. HootRating: 10LE (Light — Emotional).

What genre is The girl with the glass bird?

The girl with the glass bird is fiction — Juvenile Fiction.

Does The girl with the glass bird have any content warnings?

The girl with the glass bird has a HootRating of 10LE (Light — Emotional). No specific content flags noted. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is The girl with the glass bird?

The girl with the glass bird by Esme Kerr is 265 pages.

Reviewed by HootRated editorial · Last updated September 7, 2026

The girl with the glass bird

Esme Kerr

The girl with the glass bird

Age Rating, Reading Level & Content Guide

by Esme Kerr

Reading Level 5-6 10LE Ages 9-12 Balanced Read

The text is written at a 5th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.

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About This Book

What if spying on someone at your new school leads to an unexpected friendship? At Knight's Haddon, a mysterious and remote boarding school for girls, Edie is tasked with watching Anastasia, a fragile and exotic classmate. But as secrets begin to unravel, what dark mystery will they uncover together?

Themes

Boarding schoolsFriendshipMystery and detective storiesBest friendsSchools

Quick Assessment

Set in a remote all-girls boarding school, this middle-grade novel follows Edie, an orphan assigned to spy on a classmate, Anastasia. Instead of causing trouble, the two form a close friendship while unraveling a dark mystery. Suitable for ages 9-12, the book explores themes of friendship, trust, and adventure with light suspense appropriate for this age group.

Why we rated The girl with the glass bird 10LE

The girl with the glass bird is written at a Level 5-6 reading level with a Lexile measure of 850L across 265 pages. Strong independent readers around grade 6.5 can typically handle this book on their own; with parent or teacher support, The girl with the glass bird works for readers up to grade 7.5.

We rate The girl with the glass bird as 10LE ("Light — Emotional") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.

No specific content flags were raised by community reviewers, which is consistent with the mild intensity score.

Thematically, The girl with the glass bird explores boarding schools, friendship, mystery and detective stories, best friends, and schools — these threads give the book room to mean different things to different readers.

Good fit for

✓ Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
✓ Patient readers who enjoy slower, character-driven stories.
✓ Kids drawn to stories about boarding schools, friendship, mystery and detective stories.