She obtained her undergraduate degree at University of California, Riverside and earned her Juris Doctor, magna cum laude, from the University of La Verne. While in law school, June served as a judicial extern for the Honorable Justice Jeffrey King of the California Court of Appeal, Fourth Appellate District. She also served as a staff editor of the University of La Verne Law Review and was a recipient of the National Order of Scribes Award for excellence in legal writing.