Dan J. Harkey

Master Educator | Business & Finance Consultant | Mentor

Does the average Adult High School Graduate Have the Educational Level of a 7th- or 8th-Grader?

Short answer: Yes- based on current U.S. data, the average adult high school graduate reads at roughly a 7th to 8th grade level. Here’s the breakdown with citations:

by Dan J. Harkey

Share This Article

Here’s the breakdown with citations:

📚 Is the “8th-grade level” claim true?

Yes.  Multiple literacy studies confirm that the average American adult reads at approximately the 7th‑ to 8th‑grade level.
This is not a guess—it’s directly reflected in national literacy statistics.

Evidence from U.S. literacy data

  • A 2026 literacy analysis notes that “the average American reads at the 7th- to 8th‑grade level.”
  • The same dataset shows that 79% of U.S. adults were literate, and the distribution of literacy skills places a large segment below high‑school proficiency.

Since most high school graduates fall within the ‘average adult’ category, educators and policymakers need to recognize that many do not retain reading skills aligned with 12th-grade expectations.  Instead, their functional reading ability aligns more closely with late middle school.

🧩 How can this be true if they completed 12th grade?

Because completing high school does not guarantee mastery of high school literacy skills, educators and policymakers should consider ongoing support for literacy development beyond graduation.

Data also shows:

  • 19% of U.S. high‑school graduates struggle with reading.
  • 21% of U.S. adults read below a 5th-grade level.
  • 54% of U.S. adults read below a 6th-grade level.

This educational proficiency mismatch indicates:

  • Many students advance through grade levels without achieving proficiency.
  • Standardized testing pressure can inflate graduation rates without securing literacy gains.
  • Adults lose or fail to develop higher-level literacy after leaving school.
  • But they can vote as adults.

🎯 So what does the “8th‑grade level” really mean?

It means the functional reading level at which the average adult:

  • Understands everyday texts
  • Comprehends general news articles
  • Reads workplace instructions
  • Follows basic written information

It does not mean:

  • They can analyze complex literature
  • They can handle technical documents
  • They can interpret dense legal, medical, or financial text

Those skills require literacy from high school to college level.

✔️ Final Conclusion

Yes.  The claim is accurate.

Current research confirms that the average adult high school graduate reads at about a 7th‑ to 8th-grade level, and a substantial portion reads far below that level.