Comparison

Diary of a Wimpy Kid vs Wonder

How Diary of a Wimpy Kid by Jeff Kinney and Wonder by R.J. Palacio compare on reading level, grade placement, curriculum overlap, and shared themes — derived from primary-source citations on each book’s ReadingList page.

Diary of a Wimpy Kid

Jeff Kinney

Lexile
950L
Grades
3–7
Published
2007
Pages
217
Genre
Middle Grade Fiction
Get it on Amazon

Wonder

R.J. Palacio

Lexile
790L
Grades
3–7
Published
2012
Pages
320
Genre
Middle Grade Fiction
Get it on Amazon

As an Amazon Associate, ReadingList earns from qualifying purchases.

At a glance

Lexile differential
160L (Diary of a Wimpy Kid: 950L · Wonder: 790L)
Grade-range overlap
Grades 3–7
Year-of-publication gap
5 years (2007 vs 2012)
Page-count gap
103 pages (217 vs 320)
Shared curricula
72 of 177
Shared themes
2 of 9

Reading-level difference

The 160-point Lexile gap puts Diary of a Wimpy Kid roughly a meaningful step harder than Wonder. Lexile differences below 50L typically reflect equivalent decoding load (sentence length + word frequency); differences above 200L cross developmental reading-band boundaries. More on how Lexile measures work →

Curriculum overlap

Both books appear in 72 shared curriculum frameworks:

Themes

Shared

friendship · family

Only Diary of a Wimpy Kid

school · humor · growing up

Only Wonder

facial difference · kindness · bullying · empathy

Common questions

Which is harder to read, Diary of a Wimpy Kid or Wonder?
Diary of a Wimpy Kid (Lexile 950) is the harder read — 160L higher than Wonder (Lexile 790). Lexile differential ≥150L typically means a 1-2 grade-level difference. Both are in the 3-5 grade band, though.
What grade level is Diary of a Wimpy Kid vs Wonder?
Diary of a Wimpy Kid: 3-7 grade range. Wonder: 3-7 grade range. Both assigned within the 3-5 band. Specific district and curriculum vary; see each book's page for the full assignment history.
Which is more commonly taught, Diary of a Wimpy Kid or Wonder?
Both Diary of a Wimpy Kid and Wonder are in the top-10 most-cited books on ReadingList.school across US school assignments and curricula. Each book's individual page (Diary of a Wimpy Kid, Wonder) lists every tracked assignment with source citation, so you can see which has broader curriculum reach in your specific region.
Should I read Diary of a Wimpy Kid or Wonder first?
If they're in the same school year, follow the syllabus order (usually chronological by publication or grouped by theme). If reading independently: start with the shorter or lower-Lexile title (Wonder) to build context, then move to the other. Both titles often appear together on AP / IB reading lists as paired study.

Get these books

Diary of a Wimpy Kid

Jeff Kinney

Where to find this book

Audible: many assigned titles are included with a membership, and listening starts right away, with no wait for delivery. Offers vary by account.

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.

Wonder

R.J. Palacio

Where to find this book

Audible: many assigned titles are included with a membership, and listening starts right away, with no wait for delivery. Offers vary by account.

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.

Related on ReadingList

Comparison data computed from each book’s curriculum citations, Lexile measures (MetaMetrics), grade-range references (state ELA frameworks + AP/IB syllabi), and ban records (PEN America 2022-2024 index + ALA). Last reviewed: 2026-09-11.

Find the right books for your child

Pick a grade to see the books schools assign.

Find ReadingList in your Google results more often: