Mouseford Academy: The Missing Diary
Thea Stilton
Mouseford Academy: The Missing Diary
Age Rating, Reading Level & Content Guide
by Thea Stilton
The text is written at a 4th 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
Here's a secret: the Thea Sisters have started a school newspaper at Mouseford Academy, but things get tricky when Colette's diary suddenly disappears. Then, Nicky spots something fishy during the Iron Mouse Games that no one else seems to notice. Uncovering these mysteries is just the start of their adventure!
Quick Assessment
This middle-grade book follows the Thea Sisters as they navigate friendship, mystery, and teamwork while running a school newspaper at Mouseford Academy. With themes of problem-solving and light humor, it’s an engaging read for ages 9 to 12. Content is appropriate for this age group, featuring mild suspense but no intense or graphic material.
Why we rated Mouseford Academy: The Missing Diary 9LE
Mouseford Academy: The Missing Diary is written at a Level 4-5 reading level across 113 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Mouseford Academy: The Missing Diary works for readers up to grade 6.5.
We rate Mouseford Academy: The Missing Diary as 9LE ("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, Mouseford Academy: The Missing Diary explores friendship, mystery, adventure, and humor — 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.
- ✓ Kids drawn to stories about friendship, mystery, adventure.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
9LE — Light — EmotionalLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
4/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9780545645331
- Pages
- 113
- Publisher
- Scholastic
- Published
- 2000
- Type
- Fiction