It is written at a third grade reading level, so it would also be ideal for upper elementary school students. (tes.com)
Have you ever heard a 16 year old that reads at a 3rd grade reading level? (studentsfirstny.org)
Imagine primary schools where schools are not measured on on a 4th grade reading level but rather the number of children reading on a college level. (voices.washingtonpost.com)