
Under the Surface
by Diana Urban · Grades 7–12 · Mystery
Under the Surface by Diana Urban is on US reading lists at grades 7–12. It appears on 1 list: the Colorado Blue Spruce Young Adult Book Award, across 1 state. Every citation below links to the primary source.
Before you buy: Ages 13–18 · Grades 7–12. The button opens the paperback edition (ISBN 9780593625101). 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).
This page shows where Under the Surface 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
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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See all books like Under the Surface→ — matched on theme + reading level.
Why it is assigned
This mystery title is typically read at grades 7–12. Written in the 2020s; pairs with curriculum units on survival and mystery; cited on the Colorado Blue Spruce Young Adult Book Award.
Themes
Where this book is recommended
Colorado Blue Spruce Young Adult Book Award
- recommended·7th grade · Coloradosource: Colorado Blue Spruce Young Adult Book Award 2025-2026 Nominee List (Grades 7-12)
- recommended·8th grade · Coloradosource: Colorado Blue Spruce Young Adult Book Award 2025-2026 Nominee List (Grades 7-12)
- recommended·9th grade · Coloradosource: Colorado Blue Spruce Young Adult Book Award 2025-2026 Nominee List (Grades 7-12)
- recommended·10th grade · Coloradosource: Colorado Blue Spruce Young Adult Book Award 2025-2026 Nominee List (Grades 7-12)
- recommended·11th grade · Coloradosource: Colorado Blue Spruce Young Adult Book Award 2025-2026 Nominee List (Grades 7-12)
- recommended·12th grade · Coloradosource: Colorado Blue Spruce Young Adult Book Award 2025-2026 Nominee List (Grades 7-12)
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Common questions
- What grade level is Under the Surface?
- Under the Surface is listed for grades 7–12. It appears on 1 state book-award list across 1 state. Exact placement varies by school and district.
- What curricula assign Under the Surface?
- Under the Surface appears on reading lists for Colorado Blue Spruce Young Adult Book Award. Each assignment on this site links to its primary-source citation.
- Is Under the Surface banned in schools?
- Under the Surface has documented removals from at least one public-school district in 1 state (TX) per PEN America's Index of School Book Bans 2022-2024. Policies vary by district.
- What themes does Under the Surface explore?
- Central themes in Under the Surface include survival, mystery, friendship.
Why this book is on this list
How we classifyHide
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 7–12 — 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
- Documented as challenged or removed in 1 state per PEN America’s Index of School Book Bans — see the full banned & challenged books list.
- Seasonal / contextual tags
- Tagged for: book-club.