Spy School Books in Order
Spy School is a 10-book series by Stuart Gibbs for ages 9–12, at a grades 5–6 reading level, with mild to moderate content (HootRated intensity 2–3 out of 5).
- Books
- 10
- In series order
- Content intensity
- Mild to moderate
- HootRated 2–3 out of 5 · avg 2.2
Spy School Reading Order
All 10 Spy School books, numbered in series order.
| # | Title | Reading Level | Ages | Content |
|---|---|---|---|---|
| 1 | Spy school 2012 | Level 5-6 | 9-12 | Mild |
| 2 | Spy Camp | Level 5-6 | 9-12 | Mild |
| 3 | Evil Spy School | Level 5-6 | 9-12 | Mild |
| 4 | Spy ski school 2016 | Level 5-6 | 9-12 | Mild |
| 5 | Spy School Secret Service | Level 5-6 | 9-12 | Moderate |
| 7 | Spy School British Invasion | Level 5-6 | 9-12 | Mild |
| 8 | Spy School Revolution | Level 5-6 | 9-12 | Mild |
| 9 | Spy School at Sea | Level 5-6 | 9-12 | Mild |
| 10 | Spy School Project X 2022 | Level 5-6 | 9-12 | Mild |
| 11 | Spy school goes south 2018 | Level 5-6 | 9-12 | Moderate |
Content Intensity Across the Series
ConsistentContent stays at a steady intensity level throughout the series.
Series books grow with readers — but that's also the trap. Most series start at one reading level and one content intensity and drift upward over the course of the run. Spy School (10 books by Stuart Gibbs) lands at a grades 5–6 reading level, with average content intensity 2.2/5. Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.
The reading-order table above lists every book with per-volume reading level, age and intensity ratings so you can spot any escalation before it catches your reader off guard. For a deeper dive into how we score text difficulty vs. emotional weight separately — and why series readers especially benefit from that split — see our methodology page.
All Spy School Books
Spy school
Stuart Gibbs
Spy school
Stuart Gibbs
Spy Camp
Stuart Gibbs
Spy Camp
Stuart Gibbs
Evil Spy School
Stuart Gibbs
Evil Spy School
Stuart Gibbs
Spy ski school
Stuart Gibbs
Spy ski school
Stuart Gibbs
Spy School Secret Service
Stuart Gibbs
Spy School Secret Service
Stuart Gibbs
Spy School British Invasion
Stuart Gibbs
Spy School British Invasion
Stuart Gibbs
Spy School Revolution
Stuart Gibbs
Spy School Revolution
Stuart Gibbs
Spy School at Sea
Stuart Gibbs
Spy School at Sea
Stuart Gibbs
Spy School Project X
Stuart Gibbs
Spy School Project X
Stuart Gibbs
Spy school goes south
Stuart Gibbs
Spy school goes south
Stuart Gibbs
Series Like Spy School: What to Read Next
Similar reading level, content intensity and themes.
- Great Brain by John Dennis Fitzgerald 8 books · Grades 5–6 · gentle to moderate content
- Alex Rider by Anthony Horowitz 6 books · Grades 5–6 · moderate content
- Diary of a Wimpy Kid by Jeff Kinney 18 books · Grades 5–7 · gentle to moderate content
- Red Rock Mysteries by Jerry B. Jenkins 14 books · Grades 3–5 · mild to moderate content
- The Last Kids on Earth by Max Brallier 5 books · Grade 5 · mild to moderate content
- A Series of Unfortunate Events by Lemony Snicket 13 books · Grade 6 · moderate content
Questions about the Spy School series
- What reading level is the Spy School series?
- Spy School books are at a grades 5–6 reading level (average grade level 5.5), and HootRated recommends the series for ages 9–12. There are 10 books in the series.
- What order should I read the Spy School books?
- Read the Spy School books in series order: Book 1: Spy school; Book 2: Spy Camp; Book 3: Evil Spy School; Book 4: Spy ski school; Book 5: Spy School Secret Service; and 5 more.
- What age is the Spy School series appropriate for?
- HootRated recommends Spy School for ages 9–12. Content is mild to moderate (HootRated intensity 2–3 out of 5). Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.