Yes, a score of 27 on the ASVAB is generally considered low and presents a significant barrier to military enlistment. This number refers to your Armed Forces Qualification Test (AFQT) percentile score, which determines your basic eligibility to join the service. An AFQT score of 27 means you scored better than 27% of the test taking population used to establish the norm.
The critical issue is that each branch of the U.S. military sets a minimum qualifying AFQT score. These minimums are subject to change based on recruiting needs but are consistently higher than 27. Currently, you typically need a score of at least 31 to 36 to enlist in the active duty Army, with other branches like the Air Force or Navy often requiring scores in the 40s or 50s. Therefore, an AFQT score of 27 would not meet the minimum enlistment standard for any branch, rendering you ineligible.
A score at this level suggests substantial improvement is needed in core academic areas, specifically math and verbal skills, which are crucial for succeeding in military training. To pursue enlistment, you must retake the ASVAB after a mandatory 30 day waiting period and achieve a higher score. This requires dedicated study focusing on the four subtests that make up the AFQT: Arithmetic Reasoning, Mathematics Knowledge, Word Knowledge, and Paragraph Comprehension.
For context on other mandatory screening processes during military entry, you can learn about the drug test administered at MEPS.
For official, detailed information on ASVAB scores, minimum requirements by branch, and authorized study resources, refer to the official ASVAB Career Exploration Program site managed by the Department of Defense.