A number of factors should go into the decision about where to submit your paper and where you should ultimately publish once you have an offer:

• What audience do you want to reach (e.g., practitioners, legal scholars, scholars from other fields)?
• Where does your paper fit?
• Does X journal publish articles on your general topic, of about the length and style of your paper?
• Does the journal you are considering publish online? Are its articles loaded on LexisNexis, Westlaw, and HeinOnline? Is it indexed in LegalTrac?
• When you look at recent issues of the journal, do they seem well-edited?
• Is this a journal you have read and found useful?
• How quickly can the editors publish your work?

Consider submitting to specialty journal or practice oriented publications (including bar journals and continuing education materials) if that fits the profile of your article. Also consider your intended audience when you choose where to submit. Factors including topic, length and currency may guide you on where to submit. 

More prominent journals have larger circulation and wider online access, but you should not disregard specialty journals and practice oriented publications (including bar journals and CLE materials) if that fits the profile of your article. Another commons strategy is to submit to publications of the leading schools in the U.S. News ranked list of law schools. 

• Find out if the journal is indexed in major databases such as Lexis or Westlaw
• Look at ratings by Brian Leiter, http://www.leiterrankings.com/new/index.shtml
• There is also a 2018 article the Alabama Law Review entitled A Revealed-Preferences Ranking of Law Schools that uses LSAT and UGPA to measure law schools